407675440

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{21871}}^1$

素因数の和:22117

約数の個数: 40

約数和(自身を含む): 951956928

約数和(自身を除く): 544281488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 18640, 21871, 43742, 87484, 109355, 174968, 218710, 349936, 437420, 874840, 1749680, 5095943, 10191886, 20383772, 25479715, 40767544, 50959430, 81535088, 101918860, 203837720, 407675440]

約数ペア:

[(1, 407675440), (2, 203837720), (4, 101918860), (5, 81535088), (8, 50959430), (10, 40767544), (16, 25479715), (20, 20383772), (40, 10191886), (80, 5095943), (233, 1749680), (466, 874840), (932, 437420), (1165, 349936), (1864, 218710), (2330, 174968), (3728, 109355), (4660, 87484), (9320, 43742), (18640, 21871)]