30655820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 69863808

約数和(自身を除く): 39207988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 751, 785, 1502, 1570, 2041, 3004, 3140, 3755, 4082, 7510, 8164, 9763, 10205, 15020, 19526, 20410, 39052, 40820, 48815, 97630, 117907, 195260, 235814, 471628, 589535, 1179070, 1532791, 2358140, 3065582, 6131164, 7663955, 15327910, 30655820]

約数ペア:

[(1, 30655820), (2, 15327910), (4, 7663955), (5, 6131164), (10, 3065582), (13, 2358140), (20, 1532791), (26, 1179070), (52, 589535), (65, 471628), (130, 235814), (157, 195260), (260, 117907), (314, 97630), (628, 48815), (751, 40820), (785, 39052), (1502, 20410), (1570, 19526), (2041, 15020), (3004, 10205), (3140, 9763), (3755, 8164), (4082, 7510)]