649418440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{5743}}^1$

素因数の和:6022

約数の個数: 64

約数和(自身を含む): 1600508160

約数和(自身を除く): 951089720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 440, 514, 1028, 1285, 2056, 2570, 2827, 5140, 5654, 5743, 10280, 11308, 11486, 14135, 22616, 22972, 28270, 28715, 45944, 56540, 57430, 63173, 113080, 114860, 126346, 229720, 252692, 315865, 505384, 631730, 1263460, 1475951, 2526920, 2951902, 5903804, 7379755, 11807608, 14759510, 16235461, 29519020, 32470922, 59038040, 64941844, 81177305, 129883688, 162354610, 324709220, 649418440]

約数ペア:

[(1, 649418440), (2, 324709220), (4, 162354610), (5, 129883688), (8, 81177305), (10, 64941844), (11, 59038040), (20, 32470922), (22, 29519020), (40, 16235461), (44, 14759510), (55, 11807608), (88, 7379755), (110, 5903804), (220, 2951902), (257, 2526920), (440, 1475951), (514, 1263460), (1028, 631730), (1285, 505384), (2056, 315865), (2570, 252692), (2827, 229720), (5140, 126346), (5654, 114860), (5743, 113080), (10280, 63173), (11308, 57430), (11486, 56540), (14135, 45944), (22616, 28715), (22972, 28270)]