201974120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 469497600

約数和(自身を除く): 267523480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 239, 296, 370, 478, 571, 740, 956, 1142, 1195, 1480, 1912, 2284, 2390, 2855, 4568, 4780, 5710, 8843, 9560, 11420, 17686, 21127, 22840, 35372, 42254, 44215, 70744, 84508, 88430, 105635, 136469, 169016, 176860, 211270, 272938, 353720, 422540, 545876, 682345, 845080, 1091752, 1364690, 2729380, 5049353, 5458760, 10098706, 20197412, 25246765, 40394824, 50493530, 100987060, 201974120]

約数ペア:

[(1, 201974120), (2, 100987060), (4, 50493530), (5, 40394824), (8, 25246765), (10, 20197412), (20, 10098706), (37, 5458760), (40, 5049353), (74, 2729380), (148, 1364690), (185, 1091752), (239, 845080), (296, 682345), (370, 545876), (478, 422540), (571, 353720), (740, 272938), (956, 211270), (1142, 176860), (1195, 169016), (1480, 136469), (1912, 105635), (2284, 88430), (2390, 84508), (2855, 70744), (4568, 44215), (4780, 42254), (5710, 35372), (8843, 22840), (9560, 21127), (11420, 17686)]