2009553980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1483}}^1\times {\mathrm{9679}}^1$

素因数の和:11178

約数の個数: 48

約数和(自身を含む): 4826680320

約数和(自身を除く): 2817126340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1483, 2966, 5932, 7415, 9679, 10381, 14830, 19358, 20762, 29660, 38716, 41524, 48395, 51905, 67753, 96790, 103810, 135506, 193580, 207620, 271012, 338765, 677530, 1355060, 14353957, 28707914, 57415828, 71769785, 100477699, 143539570, 200955398, 287079140, 401910796, 502388495, 1004776990, 2009553980]

約数ペア:

[(1, 2009553980), (2, 1004776990), (4, 502388495), (5, 401910796), (7, 287079140), (10, 200955398), (14, 143539570), (20, 100477699), (28, 71769785), (35, 57415828), (70, 28707914), (140, 14353957), (1483, 1355060), (2966, 677530), (5932, 338765), (7415, 271012), (9679, 207620), (10381, 193580), (14830, 135506), (19358, 103810), (20762, 96790), (29660, 67753), (38716, 51905), (41524, 48395)]