642321837220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8713}}^1\times {\mathrm{526571}}^1$

素因数の和:535300

約数の個数: 48

約数和(自身を含む): 1541752265088

約数和(自身を除く): 899430427868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8713, 17426, 34852, 43565, 60991, 87130, 121982, 174260, 243964, 304955, 526571, 609910, 1053142, 1219820, 2106284, 2632855, 3685997, 5265710, 7371994, 10531420, 14743988, 18429985, 36859970, 73719940, 4588013123, 9176026246, 18352052492, 22940065615, 32116091861, 45880131230, 64232183722, 91760262460, 128464367444, 160580459305, 321160918610, 642321837220]

約数ペア:

[(1, 642321837220), (2, 321160918610), (4, 160580459305), (5, 128464367444), (7, 91760262460), (10, 64232183722), (14, 45880131230), (20, 32116091861), (28, 22940065615), (35, 18352052492), (70, 9176026246), (140, 4588013123), (8713, 73719940), (17426, 36859970), (34852, 18429985), (43565, 14743988), (60991, 10531420), (87130, 7371994), (121982, 5265710), (174260, 3685997), (243964, 2632855), (304955, 2106284), (526571, 1219820), (609910, 1053142)]