157021820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{547}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 341741568

約数和(自身を除く): 184719748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 463, 547, 620, 926, 1094, 1852, 2188, 2315, 2735, 4630, 5470, 9260, 10940, 14353, 16957, 28706, 33914, 57412, 67828, 71765, 84785, 143530, 169570, 253261, 287060, 339140, 506522, 1013044, 1266305, 2532610, 5065220, 7851091, 15702182, 31404364, 39255455, 78510910, 157021820]

約数ペア:

[(1, 157021820), (2, 78510910), (4, 39255455), (5, 31404364), (10, 15702182), (20, 7851091), (31, 5065220), (62, 2532610), (124, 1266305), (155, 1013044), (310, 506522), (463, 339140), (547, 287060), (620, 253261), (926, 169570), (1094, 143530), (1852, 84785), (2188, 71765), (2315, 67828), (2735, 57412), (4630, 33914), (5470, 28706), (9260, 16957), (10940, 14353)]