212559560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 534988800

約数和(自身を除く): 322429240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 31, 40, 46, 58, 62, 92, 115, 116, 124, 145, 155, 184, 230, 232, 248, 257, 290, 310, 460, 514, 580, 620, 667, 713, 899, 920, 1028, 1160, 1240, 1285, 1334, 1426, 1798, 2056, 2570, 2668, 2852, 3335, 3565, 3596, 4495, 5140, 5336, 5704, 5911, 6670, 7130, 7192, 7453, 7967, 8990, 10280, 11822, 13340, 14260, 14906, 15934, 17980, 20677, 23644, 26680, 28520, 29555, 29812, 31868, 35960, 37265, 39835, 41354, 47288, 59110, 59624, 63736, 74530, 79670, 82708, 103385, 118220, 149060, 159340, 165416, 171419, 183241, 206770, 231043, 236440, 298120, 318680, 342838, 366482, 413540, 462086, 685676, 732964, 827080, 857095, 916205, 924172, 1155215, 1371352, 1465928, 1714190, 1832410, 1848344, 2310430, 3428380, 3664820, 4620860, 5313989, 6856760, 7329640, 9241720, 10627978, 21255956, 26569945, 42511912, 53139890, 106279780, 212559560]

約数ペア:

[(1, 212559560), (2, 106279780), (4, 53139890), (5, 42511912), (8, 26569945), (10, 21255956), (20, 10627978), (23, 9241720), (29, 7329640), (31, 6856760), (40, 5313989), (46, 4620860), (58, 3664820), (62, 3428380), (92, 2310430), (115, 1848344), (116, 1832410), (124, 1714190), (145, 1465928), (155, 1371352), (184, 1155215), (230, 924172), (232, 916205), (248, 857095), (257, 827080), (290, 732964), (310, 685676), (460, 462086), (514, 413540), (580, 366482), (620, 342838), (667, 318680), (713, 298120), (899, 236440), (920, 231043), (1028, 206770), (1160, 183241), (1240, 171419), (1285, 165416), (1334, 159340), (1426, 149060), (1798, 118220), (2056, 103385), (2570, 82708), (2668, 79670), (2852, 74530), (3335, 63736), (3565, 59624), (3596, 59110), (4495, 47288), (5140, 41354), (5336, 39835), (5704, 37265), (5911, 35960), (6670, 31868), (7130, 29812), (7192, 29555), (7453, 28520), (7967, 26680), (8990, 23644), (10280, 20677), (11822, 17980), (13340, 15934), (14260, 14906)]