7472140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 17498880

約数和(自身を除く): 10026740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 991, 1508, 1885, 1982, 3770, 3964, 4955, 7540, 9910, 12883, 19820, 25766, 28739, 51532, 57478, 64415, 114956, 128830, 143695, 257660, 287390, 373607, 574780, 747214, 1494428, 1868035, 3736070, 7472140]

約数ペア:

[(1, 7472140), (2, 3736070), (4, 1868035), (5, 1494428), (10, 747214), (13, 574780), (20, 373607), (26, 287390), (29, 257660), (52, 143695), (58, 128830), (65, 114956), (116, 64415), (130, 57478), (145, 51532), (260, 28739), (290, 25766), (377, 19820), (580, 12883), (754, 9910), (991, 7540), (1508, 4955), (1885, 3964), (1982, 3770)]