209630720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6299}}^1$

素因数の和:6335

約数の個数: 80

約数和(自身を含む): 541371600

約数和(自身を除く): 331740880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6299, 6656, 8320, 12598, 16640, 25196, 31495, 33280, 50392, 62990, 81887, 100784, 125980, 163774, 201568, 251960, 327548, 403136, 409435, 503920, 655096, 806272, 818870, 1007840, 1310192, 1612544, 1637740, 2015680, 2620384, 3225088, 3275480, 4031360, 5240768, 6550960, 8062720, 10481536, 13101920, 16125440, 20963072, 26203840, 41926144, 52407680, 104815360, 209630720]

約数ペア:

[(1, 209630720), (2, 104815360), (4, 52407680), (5, 41926144), (8, 26203840), (10, 20963072), (13, 16125440), (16, 13101920), (20, 10481536), (26, 8062720), (32, 6550960), (40, 5240768), (52, 4031360), (64, 3275480), (65, 3225088), (80, 2620384), (104, 2015680), (128, 1637740), (130, 1612544), (160, 1310192), (208, 1007840), (256, 818870), (260, 806272), (320, 655096), (416, 503920), (512, 409435), (520, 403136), (640, 327548), (832, 251960), (1040, 201568), (1280, 163774), (1664, 125980), (2080, 100784), (2560, 81887), (3328, 62990), (4160, 50392), (6299, 33280), (6656, 31495), (8320, 25196), (12598, 16640)]