630740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 1499904

約数和(自身を除く): 869164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 61, 94, 110, 122, 188, 220, 235, 244, 305, 470, 517, 610, 671, 940, 1034, 1220, 1342, 2068, 2585, 2684, 2867, 3355, 5170, 5734, 6710, 10340, 11468, 13420, 14335, 28670, 31537, 57340, 63074, 126148, 157685, 315370, 630740]

約数ペア:

[(1, 630740), (2, 315370), (4, 157685), (5, 126148), (10, 63074), (11, 57340), (20, 31537), (22, 28670), (44, 14335), (47, 13420), (55, 11468), (61, 10340), (94, 6710), (110, 5734), (122, 5170), (188, 3355), (220, 2867), (235, 2684), (244, 2585), (305, 2068), (470, 1342), (517, 1220), (610, 1034), (671, 940)]