252885388540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1\times {\mathrm{773}}^1$

素因数の和:1879

約数の個数: 96

約数和(自身を含む): 540673056000

約数和(自身を除く): 287787667460

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 239, 356, 445, 478, 769, 773, 890, 956, 1195, 1538, 1546, 1780, 2390, 3076, 3092, 3845, 3865, 4780, 7690, 7730, 15380, 15460, 21271, 42542, 68441, 68797, 85084, 106355, 136882, 137594, 183791, 184747, 212710, 273764, 275188, 342205, 343985, 367582, 369494, 425420, 594437, 684410, 687970, 735164, 738988, 918955, 923735, 1188874, 1368820, 1375940, 1837910, 1847470, 2377748, 2972185, 3675820, 3694940, 5944370, 11888740, 16357399, 16442483, 32714798, 32884966, 52904893, 65429596, 65769932, 81786995, 82212415, 105809786, 142070443, 163573990, 164424830, 211619572, 264524465, 284140886, 327147980, 328849660, 529048930, 568281772, 710352215, 1058097860, 1420704430, 2841408860, 12644269427, 25288538854, 50577077708, 63221347135, 126442694270, 252885388540]

約数ペア:

[(1, 252885388540), (2, 126442694270), (4, 63221347135), (5, 50577077708), (10, 25288538854), (20, 12644269427), (89, 2841408860), (178, 1420704430), (239, 1058097860), (356, 710352215), (445, 568281772), (478, 529048930), (769, 328849660), (773, 327147980), (890, 284140886), (956, 264524465), (1195, 211619572), (1538, 164424830), (1546, 163573990), (1780, 142070443), (2390, 105809786), (3076, 82212415), (3092, 81786995), (3845, 65769932), (3865, 65429596), (4780, 52904893), (7690, 32884966), (7730, 32714798), (15380, 16442483), (15460, 16357399), (21271, 11888740), (42542, 5944370), (68441, 3694940), (68797, 3675820), (85084, 2972185), (106355, 2377748), (136882, 1847470), (137594, 1837910), (183791, 1375940), (184747, 1368820), (212710, 1188874), (273764, 923735), (275188, 918955), (342205, 738988), (343985, 735164), (367582, 687970), (369494, 684410), (425420, 594437)]