788700220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{983}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 2071028736

約数和(自身を除く): 1282328516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 521, 770, 983, 1042, 1540, 1966, 2084, 2605, 3647, 3932, 4915, 5210, 5731, 6881, 7294, 9830, 10420, 10813, 11462, 13762, 14588, 18235, 19660, 21626, 22924, 27524, 28655, 34405, 36470, 40117, 43252, 54065, 57310, 68810, 72940, 75691, 80234, 108130, 114620, 137620, 151382, 160468, 200585, 216260, 302764, 378455, 401170, 512143, 756910, 802340, 1024286, 1513820, 2048572, 2560715, 3585001, 5121430, 5633573, 7170002, 10242860, 11267146, 14340004, 17925005, 22534292, 28167865, 35850010, 39435011, 56335730, 71700020, 78870022, 112671460, 157740044, 197175055, 394350110, 788700220]

約数ペア:

[(1, 788700220), (2, 394350110), (4, 197175055), (5, 157740044), (7, 112671460), (10, 78870022), (11, 71700020), (14, 56335730), (20, 39435011), (22, 35850010), (28, 28167865), (35, 22534292), (44, 17925005), (55, 14340004), (70, 11267146), (77, 10242860), (110, 7170002), (140, 5633573), (154, 5121430), (220, 3585001), (308, 2560715), (385, 2048572), (521, 1513820), (770, 1024286), (983, 802340), (1042, 756910), (1540, 512143), (1966, 401170), (2084, 378455), (2605, 302764), (3647, 216260), (3932, 200585), (4915, 160468), (5210, 151382), (5731, 137620), (6881, 114620), (7294, 108130), (9830, 80234), (10420, 75691), (10813, 72940), (11462, 68810), (13762, 57310), (14588, 54065), (18235, 43252), (19660, 40117), (21626, 36470), (22924, 34405), (27524, 28655)]