99972520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2258

約数の個数: 64

約数和(自身を含む): 238579200

約数和(自身を除く): 138606680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2179, 2294, 4358, 4588, 5735, 8716, 9176, 10895, 11470, 17432, 21790, 22940, 43580, 45880, 67549, 80623, 87160, 135098, 161246, 270196, 322492, 337745, 403115, 540392, 644984, 675490, 806230, 1350980, 1612460, 2499313, 2701960, 3224920, 4998626, 9997252, 12496565, 19994504, 24993130, 49986260, 99972520]

約数ペア:

[(1, 99972520), (2, 49986260), (4, 24993130), (5, 19994504), (8, 12496565), (10, 9997252), (20, 4998626), (31, 3224920), (37, 2701960), (40, 2499313), (62, 1612460), (74, 1350980), (124, 806230), (148, 675490), (155, 644984), (185, 540392), (248, 403115), (296, 337745), (310, 322492), (370, 270196), (620, 161246), (740, 135098), (1147, 87160), (1240, 80623), (1480, 67549), (2179, 45880), (2294, 43580), (4358, 22940), (4588, 21790), (5735, 17432), (8716, 11470), (9176, 10895)]