201266680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 467856000

約数和(自身を除く): 266589320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 239, 296, 370, 478, 569, 740, 956, 1138, 1195, 1480, 1912, 2276, 2390, 2845, 4552, 4780, 5690, 8843, 9560, 11380, 17686, 21053, 22760, 35372, 42106, 44215, 70744, 84212, 88430, 105265, 135991, 168424, 176860, 210530, 271982, 353720, 421060, 543964, 679955, 842120, 1087928, 1359910, 2719820, 5031667, 5439640, 10063334, 20126668, 25158335, 40253336, 50316670, 100633340, 201266680]

約数ペア:

[(1, 201266680), (2, 100633340), (4, 50316670), (5, 40253336), (8, 25158335), (10, 20126668), (20, 10063334), (37, 5439640), (40, 5031667), (74, 2719820), (148, 1359910), (185, 1087928), (239, 842120), (296, 679955), (370, 543964), (478, 421060), (569, 353720), (740, 271982), (956, 210530), (1138, 176860), (1195, 168424), (1480, 135991), (1912, 105265), (2276, 88430), (2390, 84212), (2845, 70744), (4552, 44215), (4780, 42106), (5690, 35372), (8843, 22760), (9560, 21053), (11380, 17686)]