1301740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3062304

約数和(自身を除く): 1760564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 97, 110, 122, 194, 220, 244, 305, 388, 485, 610, 671, 970, 1067, 1220, 1342, 1940, 2134, 2684, 3355, 4268, 5335, 5917, 6710, 10670, 11834, 13420, 21340, 23668, 29585, 59170, 65087, 118340, 130174, 260348, 325435, 650870, 1301740]

約数ペア:

[(1, 1301740), (2, 650870), (4, 325435), (5, 260348), (10, 130174), (11, 118340), (20, 65087), (22, 59170), (44, 29585), (55, 23668), (61, 21340), (97, 13420), (110, 11834), (122, 10670), (194, 6710), (220, 5917), (244, 5335), (305, 4268), (388, 3355), (485, 2684), (610, 2134), (671, 1940), (970, 1342), (1067, 1220)]