173833640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 401708160

約数和(自身を除く): 227874520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 167, 212, 265, 334, 424, 491, 530, 668, 835, 982, 1060, 1336, 1670, 1964, 2120, 2455, 3340, 3928, 4910, 6680, 8851, 9820, 17702, 19640, 26023, 35404, 44255, 52046, 70808, 81997, 88510, 104092, 130115, 163994, 177020, 208184, 260230, 327988, 354040, 409985, 520460, 655976, 819970, 1040920, 1639940, 3279880, 4345841, 8691682, 17383364, 21729205, 34766728, 43458410, 86916820, 173833640]

約数ペア:

[(1, 173833640), (2, 86916820), (4, 43458410), (5, 34766728), (8, 21729205), (10, 17383364), (20, 8691682), (40, 4345841), (53, 3279880), (106, 1639940), (167, 1040920), (212, 819970), (265, 655976), (334, 520460), (424, 409985), (491, 354040), (530, 327988), (668, 260230), (835, 208184), (982, 177020), (1060, 163994), (1336, 130115), (1670, 104092), (1964, 88510), (2120, 81997), (2455, 70808), (3340, 52046), (3928, 44255), (4910, 35404), (6680, 26023), (8851, 19640), (9820, 17702)]