30875780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 70383600

約数和(自身を除く): 39507820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 797, 1490, 1594, 1937, 2980, 3188, 3874, 3985, 7748, 7970, 9685, 10361, 15940, 19370, 20722, 38740, 41444, 51805, 103610, 118753, 207220, 237506, 475012, 593765, 1187530, 1543789, 2375060, 3087578, 6175156, 7718945, 15437890, 30875780]

約数ペア:

[(1, 30875780), (2, 15437890), (4, 7718945), (5, 6175156), (10, 3087578), (13, 2375060), (20, 1543789), (26, 1187530), (52, 593765), (65, 475012), (130, 237506), (149, 207220), (260, 118753), (298, 103610), (596, 51805), (745, 41444), (797, 38740), (1490, 20722), (1594, 19370), (1937, 15940), (2980, 10361), (3188, 9685), (3874, 7970), (3985, 7748)]