74231980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 163408896

約数和(自身を除く): 89176916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 1787, 2077, 3574, 4154, 7148, 8308, 8935, 10385, 17870, 20770, 35740, 41540, 55397, 110794, 119729, 221588, 239458, 276985, 478916, 553970, 598645, 1107940, 1197290, 2394580, 3711599, 7423198, 14846396, 18557995, 37115990, 74231980]

約数ペア:

[(1, 74231980), (2, 37115990), (4, 18557995), (5, 14846396), (10, 7423198), (20, 3711599), (31, 2394580), (62, 1197290), (67, 1107940), (124, 598645), (134, 553970), (155, 478916), (268, 276985), (310, 239458), (335, 221588), (620, 119729), (670, 110794), (1340, 55397), (1787, 41540), (2077, 35740), (3574, 20770), (4154, 17870), (7148, 10385), (8308, 8935)]