201467960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 468594720

約数和(自身を除く): 267126760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 197, 296, 370, 394, 691, 740, 788, 985, 1382, 1480, 1576, 1970, 2764, 3455, 3940, 5528, 6910, 7289, 7880, 13820, 14578, 25567, 27640, 29156, 36445, 51134, 58312, 72890, 102268, 127835, 136127, 145780, 204536, 255670, 272254, 291560, 511340, 544508, 680635, 1022680, 1089016, 1361270, 2722540, 5036699, 5445080, 10073398, 20146796, 25183495, 40293592, 50366990, 100733980, 201467960]

約数ペア:

[(1, 201467960), (2, 100733980), (4, 50366990), (5, 40293592), (8, 25183495), (10, 20146796), (20, 10073398), (37, 5445080), (40, 5036699), (74, 2722540), (148, 1361270), (185, 1089016), (197, 1022680), (296, 680635), (370, 544508), (394, 511340), (691, 291560), (740, 272254), (788, 255670), (985, 204536), (1382, 145780), (1480, 136127), (1576, 127835), (1970, 102268), (2764, 72890), (3455, 58312), (3940, 51134), (5528, 36445), (6910, 29156), (7289, 27640), (7880, 25567), (13820, 14578)]