74391980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{797}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 94528660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 718, 797, 1436, 1594, 1795, 3188, 3590, 3985, 4667, 7180, 7970, 9334, 10361, 15940, 18668, 20722, 23335, 41444, 46670, 51805, 93340, 103610, 207220, 286123, 572246, 1144492, 1430615, 2861230, 3719599, 5722460, 7439198, 14878396, 18597995, 37195990, 74391980]

約数ペア:

[(1, 74391980), (2, 37195990), (4, 18597995), (5, 14878396), (10, 7439198), (13, 5722460), (20, 3719599), (26, 2861230), (52, 1430615), (65, 1144492), (130, 572246), (260, 286123), (359, 207220), (718, 103610), (797, 93340), (1436, 51805), (1594, 46670), (1795, 41444), (3188, 23335), (3590, 20722), (3985, 18668), (4667, 15940), (7180, 10361), (7970, 9334)]