173419480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1997}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 422936640

約数和(自身を除く): 249517160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 835, 1336, 1670, 1997, 2171, 3340, 3994, 4342, 6680, 7988, 8684, 9985, 10855, 15976, 17368, 19970, 21710, 25961, 39940, 43420, 51922, 79880, 86840, 103844, 129805, 207688, 259610, 333499, 519220, 666998, 1038440, 1333996, 1667495, 2667992, 3334990, 4335487, 6669980, 8670974, 13339960, 17341948, 21677435, 34683896, 43354870, 86709740, 173419480]

約数ペア:

[(1, 173419480), (2, 86709740), (4, 43354870), (5, 34683896), (8, 21677435), (10, 17341948), (13, 13339960), (20, 8670974), (26, 6669980), (40, 4335487), (52, 3334990), (65, 2667992), (104, 1667495), (130, 1333996), (167, 1038440), (260, 666998), (334, 519220), (520, 333499), (668, 259610), (835, 207688), (1336, 129805), (1670, 103844), (1997, 86840), (2171, 79880), (3340, 51922), (3994, 43420), (4342, 39940), (6680, 25961), (7988, 21710), (8684, 19970), (9985, 17368), (10855, 15976)]