209016990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 256

約数和(自身を含む): 704471040

約数和(自身を除く): 495454050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 47, 54, 63, 65, 70, 78, 90, 91, 94, 105, 117, 126, 130, 135, 141, 181, 182, 189, 195, 210, 234, 235, 270, 273, 282, 315, 329, 351, 362, 378, 390, 423, 455, 470, 543, 546, 585, 611, 630, 658, 702, 705, 819, 846, 905, 910, 945, 987, 1086, 1170, 1222, 1267, 1269, 1365, 1410, 1629, 1638, 1645, 1755, 1810, 1833, 1890, 1974, 2115, 2353, 2457, 2534, 2538, 2715, 2730, 2961, 3055, 3258, 3290, 3510, 3666, 3801, 4095, 4230, 4277, 4706, 4887, 4914, 4935, 5430, 5499, 5922, 6110, 6335, 6345, 7059, 7602, 8145, 8190, 8507, 8554, 8883, 9165, 9774, 9870, 10998, 11403, 11765, 12285, 12670, 12690, 12831, 14118, 14805, 16290, 16471, 16497, 17014, 17766, 18330, 19005, 21177, 21385, 22806, 23530, 24435, 24570, 25521, 25662, 27495, 29610, 32942, 32994, 34209, 35295, 38010, 38493, 42354, 42535, 42770, 44415, 48870, 49413, 51042, 54990, 57015, 59549, 63531, 64155, 68418, 70590, 76563, 76986, 82355, 82485, 85070, 88830, 98826, 105885, 110591, 114030, 115479, 119098, 127062, 127605, 128310, 148239, 153126, 164710, 164970, 171045, 178647, 192465, 211770, 221182, 229689, 230958, 247065, 255210, 296478, 297745, 317655, 331773, 342090, 357294, 382815, 384930, 444717, 459378, 494130, 535941, 552955, 577395, 595490, 635310, 663546, 741195, 765630, 774137, 889434, 893235, 995319, 1071882, 1105910, 1148445, 1154790, 1482390, 1548274, 1607823, 1658865, 1786470, 1990638, 2223585, 2296890, 2322411, 2679705, 2985957, 3215646, 3317730, 3870685, 4447170, 4644822, 4976595, 5359410, 5971914, 6967233, 7741370, 8039115, 9953190, 11612055, 13934466, 14929785, 16078230, 20901699, 23224110, 29859570, 34836165, 41803398, 69672330, 104508495, 209016990]

約数ペア:

[(1, 209016990), (2, 104508495), (3, 69672330), (5, 41803398), (6, 34836165), (7, 29859570), (9, 23224110), (10, 20901699), (13, 16078230), (14, 14929785), (15, 13934466), (18, 11612055), (21, 9953190), (26, 8039115), (27, 7741370), (30, 6967233), (35, 5971914), (39, 5359410), (42, 4976595), (45, 4644822), (47, 4447170), (54, 3870685), (63, 3317730), (65, 3215646), (70, 2985957), (78, 2679705), (90, 2322411), (91, 2296890), (94, 2223585), (105, 1990638), (117, 1786470), (126, 1658865), (130, 1607823), (135, 1548274), (141, 1482390), (181, 1154790), (182, 1148445), (189, 1105910), (195, 1071882), (210, 995319), (234, 893235), (235, 889434), (270, 774137), (273, 765630), (282, 741195), (315, 663546), (329, 635310), (351, 595490), (362, 577395), (378, 552955), (390, 535941), (423, 494130), (455, 459378), (470, 444717), (543, 384930), (546, 382815), (585, 357294), (611, 342090), (630, 331773), (658, 317655), (702, 297745), (705, 296478), (819, 255210), (846, 247065), (905, 230958), (910, 229689), (945, 221182), (987, 211770), (1086, 192465), (1170, 178647), (1222, 171045), (1267, 164970), (1269, 164710), (1365, 153126), (1410, 148239), (1629, 128310), (1638, 127605), (1645, 127062), (1755, 119098), (1810, 115479), (1833, 114030), (1890, 110591), (1974, 105885), (2115, 98826), (2353, 88830), (2457, 85070), (2534, 82485), (2538, 82355), (2715, 76986), (2730, 76563), (2961, 70590), (3055, 68418), (3258, 64155), (3290, 63531), (3510, 59549), (3666, 57015), (3801, 54990), (4095, 51042), (4230, 49413), (4277, 48870), (4706, 44415), (4887, 42770), (4914, 42535), (4935, 42354), (5430, 38493), (5499, 38010), (5922, 35295), (6110, 34209), (6335, 32994), (6345, 32942), (7059, 29610), (7602, 27495), (8145, 25662), (8190, 25521), (8507, 24570), (8554, 24435), (8883, 23530), (9165, 22806), (9774, 21385), (9870, 21177), (10998, 19005), (11403, 18330), (11765, 17766), (12285, 17014), (12670, 16497), (12690, 16471), (12831, 16290), (14118, 14805)]