281649160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 128

約数和(自身を含む): 743904000

約数和(自身を除く): 462254840

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 232, 247, 260, 290, 377, 380, 494, 520, 551, 580, 754, 760, 983, 988, 1102, 1160, 1235, 1508, 1885, 1966, 1976, 2204, 2470, 2755, 3016, 3770, 3932, 4408, 4915, 4940, 5510, 7163, 7540, 7864, 9830, 9880, 11020, 12779, 14326, 15080, 18677, 19660, 22040, 25558, 28507, 28652, 35815, 37354, 39320, 51116, 57014, 57304, 63895, 71630, 74708, 93385, 102232, 114028, 127790, 142535, 143260, 149416, 186770, 228056, 242801, 255580, 285070, 286520, 370591, 373540, 485602, 511160, 541633, 570140, 741182, 747080, 971204, 1083266, 1140280, 1214005, 1482364, 1852955, 1942408, 2166532, 2428010, 2708165, 2964728, 3705910, 4333064, 4856020, 5416330, 7041229, 7411820, 9712040, 10832660, 14082458, 14823640, 21665320, 28164916, 35206145, 56329832, 70412290, 140824580, 281649160]

約数ペア:

[(1, 281649160), (2, 140824580), (4, 70412290), (5, 56329832), (8, 35206145), (10, 28164916), (13, 21665320), (19, 14823640), (20, 14082458), (26, 10832660), (29, 9712040), (38, 7411820), (40, 7041229), (52, 5416330), (58, 4856020), (65, 4333064), (76, 3705910), (95, 2964728), (104, 2708165), (116, 2428010), (130, 2166532), (145, 1942408), (152, 1852955), (190, 1482364), (232, 1214005), (247, 1140280), (260, 1083266), (290, 971204), (377, 747080), (380, 741182), (494, 570140), (520, 541633), (551, 511160), (580, 485602), (754, 373540), (760, 370591), (983, 286520), (988, 285070), (1102, 255580), (1160, 242801), (1235, 228056), (1508, 186770), (1885, 149416), (1966, 143260), (1976, 142535), (2204, 127790), (2470, 114028), (2755, 102232), (3016, 93385), (3770, 74708), (3932, 71630), (4408, 63895), (4915, 57304), (4940, 57014), (5510, 51116), (7163, 39320), (7540, 37354), (7864, 35815), (9830, 28652), (9880, 28507), (11020, 25558), (12779, 22040), (14326, 19660), (15080, 18677)]