235721220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 192

約数和(自身を含む): 804249600

約数和(自身を除く): 568528380

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, 76, 84, 95, 105, 109, 114, 133, 140, 190, 210, 218, 228, 266, 271, 285, 327, 380, 399, 420, 436, 532, 542, 545, 570, 654, 665, 763, 798, 813, 1084, 1090, 1140, 1308, 1330, 1355, 1526, 1596, 1626, 1635, 1897, 1995, 2071, 2180, 2289, 2660, 2710, 3052, 3252, 3270, 3794, 3815, 3990, 4065, 4142, 4578, 5149, 5420, 5691, 6213, 6540, 7588, 7630, 7980, 8130, 8284, 9156, 9485, 10298, 10355, 11382, 11445, 12426, 14497, 15260, 15447, 16260, 18970, 20596, 20710, 22764, 22890, 24852, 25745, 28455, 28994, 29539, 30894, 31065, 36043, 37940, 41420, 43491, 45780, 51490, 56910, 57988, 59078, 61788, 62130, 72086, 72485, 77235, 86982, 88617, 102980, 108129, 113820, 118156, 124260, 144172, 144970, 147695, 154470, 173964, 177234, 180215, 206773, 216258, 217455, 289940, 295390, 308940, 354468, 360430, 413546, 432516, 434910, 443085, 540645, 561241, 590780, 620319, 720860, 827092, 869820, 886170, 1033865, 1081290, 1122482, 1240638, 1683723, 1772340, 2067730, 2162580, 2244964, 2481276, 2806205, 3101595, 3367446, 3928687, 4135460, 5612410, 6203190, 6734892, 7857374, 8418615, 11224820, 11786061, 12406380, 15714748, 16837230, 19643435, 23572122, 33674460, 39286870, 47144244, 58930305, 78573740, 117860610, 235721220]

約数ペア:

[(1, 235721220), (2, 117860610), (3, 78573740), (4, 58930305), (5, 47144244), (6, 39286870), (7, 33674460), (10, 23572122), (12, 19643435), (14, 16837230), (15, 15714748), (19, 12406380), (20, 11786061), (21, 11224820), (28, 8418615), (30, 7857374), (35, 6734892), (38, 6203190), (42, 5612410), (57, 4135460), (60, 3928687), (70, 3367446), (76, 3101595), (84, 2806205), (95, 2481276), (105, 2244964), (109, 2162580), (114, 2067730), (133, 1772340), (140, 1683723), (190, 1240638), (210, 1122482), (218, 1081290), (228, 1033865), (266, 886170), (271, 869820), (285, 827092), (327, 720860), (380, 620319), (399, 590780), (420, 561241), (436, 540645), (532, 443085), (542, 434910), (545, 432516), (570, 413546), (654, 360430), (665, 354468), (763, 308940), (798, 295390), (813, 289940), (1084, 217455), (1090, 216258), (1140, 206773), (1308, 180215), (1330, 177234), (1355, 173964), (1526, 154470), (1596, 147695), (1626, 144970), (1635, 144172), (1897, 124260), (1995, 118156), (2071, 113820), (2180, 108129), (2289, 102980), (2660, 88617), (2710, 86982), (3052, 77235), (3252, 72485), (3270, 72086), (3794, 62130), (3815, 61788), (3990, 59078), (4065, 57988), (4142, 56910), (4578, 51490), (5149, 45780), (5420, 43491), (5691, 41420), (6213, 37940), (6540, 36043), (7588, 31065), (7630, 30894), (7980, 29539), (8130, 28994), (8284, 28455), (9156, 25745), (9485, 24852), (10298, 22890), (10355, 22764), (11382, 20710), (11445, 20596), (12426, 18970), (14497, 16260), (15260, 15447)]