275184520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 706083840

約数和(自身を除く): 430899320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 215, 248, 260, 310, 344, 397, 403, 430, 520, 559, 620, 794, 806, 860, 1118, 1240, 1333, 1588, 1612, 1720, 1985, 2015, 2236, 2666, 2795, 3176, 3224, 3970, 4030, 4472, 5161, 5332, 5590, 6665, 7940, 8060, 10322, 10664, 11180, 12307, 13330, 15880, 16120, 17071, 17329, 20644, 22360, 24614, 25805, 26660, 34142, 34658, 41288, 49228, 51610, 53320, 61535, 68284, 69316, 85355, 86645, 98456, 103220, 123070, 136568, 138632, 159991, 170710, 173290, 206440, 221923, 246140, 319982, 341420, 346580, 443846, 492280, 529201, 639964, 682840, 693160, 799955, 887692, 1058402, 1109615, 1279928, 1599910, 1775384, 2116804, 2219230, 2646005, 3199820, 4233608, 4438460, 5292010, 6399640, 6879613, 8876920, 10584020, 13759226, 21168040, 27518452, 34398065, 55036904, 68796130, 137592260, 275184520]

約数ペア:

[(1, 275184520), (2, 137592260), (4, 68796130), (5, 55036904), (8, 34398065), (10, 27518452), (13, 21168040), (20, 13759226), (26, 10584020), (31, 8876920), (40, 6879613), (43, 6399640), (52, 5292010), (62, 4438460), (65, 4233608), (86, 3199820), (104, 2646005), (124, 2219230), (130, 2116804), (155, 1775384), (172, 1599910), (215, 1279928), (248, 1109615), (260, 1058402), (310, 887692), (344, 799955), (397, 693160), (403, 682840), (430, 639964), (520, 529201), (559, 492280), (620, 443846), (794, 346580), (806, 341420), (860, 319982), (1118, 246140), (1240, 221923), (1333, 206440), (1588, 173290), (1612, 170710), (1720, 159991), (1985, 138632), (2015, 136568), (2236, 123070), (2666, 103220), (2795, 98456), (3176, 86645), (3224, 85355), (3970, 69316), (4030, 68284), (4472, 61535), (5161, 53320), (5332, 51610), (5590, 49228), (6665, 41288), (7940, 34658), (8060, 34142), (10322, 26660), (10664, 25805), (11180, 24614), (12307, 22360), (13330, 20644), (15880, 17329), (16120, 17071)]