31900830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 83135808

約数和(自身を除く): 51234978

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 390, 471, 521, 785, 942, 1042, 1563, 1570, 2041, 2355, 2605, 3126, 4082, 4710, 5210, 6123, 6773, 7815, 10205, 12246, 13546, 15630, 20319, 20410, 30615, 33865, 40638, 61230, 67730, 81797, 101595, 163594, 203190, 245391, 408985, 490782, 817970, 1063361, 1226955, 2126722, 2453910, 3190083, 5316805, 6380166, 10633610, 15950415, 31900830]

約数ペア:

[(1, 31900830), (2, 15950415), (3, 10633610), (5, 6380166), (6, 5316805), (10, 3190083), (13, 2453910), (15, 2126722), (26, 1226955), (30, 1063361), (39, 817970), (65, 490782), (78, 408985), (130, 245391), (157, 203190), (195, 163594), (314, 101595), (390, 81797), (471, 67730), (521, 61230), (785, 40638), (942, 33865), (1042, 30615), (1563, 20410), (1570, 20319), (2041, 15630), (2355, 13546), (2605, 12246), (3126, 10205), (4082, 7815), (4710, 6773), (5210, 6123)]