187720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:62

約数の個数: 48

約数和(自身を含む): 480060

約数和(自身を除く): 292340

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 380, 494, 520, 722, 760, 988, 1235, 1444, 1805, 1976, 2470, 2888, 3610, 4693, 4940, 7220, 9386, 9880, 14440, 18772, 23465, 37544, 46930, 93860, 187720]

約数ペア:

[(1, 187720), (2, 93860), (4, 46930), (5, 37544), (8, 23465), (10, 18772), (13, 14440), (19, 9880), (20, 9386), (26, 7220), (38, 4940), (40, 4693), (52, 3610), (65, 2888), (76, 2470), (95, 1976), (104, 1805), (130, 1444), (152, 1235), (190, 988), (247, 760), (260, 722), (361, 520), (380, 494)]