209131860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 716083200

約数和(自身を除く): 506951340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 73, 76, 84, 95, 105, 114, 133, 140, 146, 190, 210, 219, 228, 266, 285, 292, 359, 365, 380, 399, 420, 438, 511, 532, 570, 665, 718, 730, 798, 876, 1022, 1077, 1095, 1140, 1330, 1387, 1436, 1460, 1533, 1596, 1795, 1995, 2044, 2154, 2190, 2513, 2555, 2660, 2774, 3066, 3590, 3990, 4161, 4308, 4380, 5026, 5110, 5385, 5548, 6132, 6821, 6935, 7180, 7539, 7665, 7980, 8322, 9709, 10052, 10220, 10770, 12565, 13642, 13870, 15078, 15330, 16644, 19418, 20463, 20805, 21540, 25130, 26207, 27284, 27740, 29127, 30156, 30660, 34105, 37695, 38836, 40926, 41610, 47747, 48545, 50260, 52414, 58254, 68210, 75390, 78621, 81852, 83220, 95494, 97090, 102315, 104828, 116508, 131035, 136420, 143241, 145635, 150780, 157242, 183449, 190988, 194180, 204630, 238735, 262070, 286482, 291270, 314484, 366898, 393105, 409260, 477470, 497933, 524140, 550347, 572964, 582540, 716205, 733796, 786210, 917245, 954940, 995866, 1100694, 1432410, 1493799, 1572420, 1834490, 1991732, 2201388, 2489665, 2751735, 2864820, 2987598, 3485531, 3668980, 4979330, 5503470, 5975196, 6971062, 7468995, 9958660, 10456593, 11006940, 13942124, 14937990, 17427655, 20913186, 29875980, 34855310, 41826372, 52282965, 69710620, 104565930, 209131860]

約数ペア:

[(1, 209131860), (2, 104565930), (3, 69710620), (4, 52282965), (5, 41826372), (6, 34855310), (7, 29875980), (10, 20913186), (12, 17427655), (14, 14937990), (15, 13942124), (19, 11006940), (20, 10456593), (21, 9958660), (28, 7468995), (30, 6971062), (35, 5975196), (38, 5503470), (42, 4979330), (57, 3668980), (60, 3485531), (70, 2987598), (73, 2864820), (76, 2751735), (84, 2489665), (95, 2201388), (105, 1991732), (114, 1834490), (133, 1572420), (140, 1493799), (146, 1432410), (190, 1100694), (210, 995866), (219, 954940), (228, 917245), (266, 786210), (285, 733796), (292, 716205), (359, 582540), (365, 572964), (380, 550347), (399, 524140), (420, 497933), (438, 477470), (511, 409260), (532, 393105), (570, 366898), (665, 314484), (718, 291270), (730, 286482), (798, 262070), (876, 238735), (1022, 204630), (1077, 194180), (1095, 190988), (1140, 183449), (1330, 157242), (1387, 150780), (1436, 145635), (1460, 143241), (1533, 136420), (1596, 131035), (1795, 116508), (1995, 104828), (2044, 102315), (2154, 97090), (2190, 95494), (2513, 83220), (2555, 81852), (2660, 78621), (2774, 75390), (3066, 68210), (3590, 58254), (3990, 52414), (4161, 50260), (4308, 48545), (4380, 47747), (5026, 41610), (5110, 40926), (5385, 38836), (5548, 37695), (6132, 34105), (6821, 30660), (6935, 30156), (7180, 29127), (7539, 27740), (7665, 27284), (7980, 26207), (8322, 25130), (9709, 21540), (10052, 20805), (10220, 20463), (10770, 19418), (12565, 16644), (13642, 15330), (13870, 15078)]