7148120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{521}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 18792000

約数和(自身を除く): 11643880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 521, 686, 980, 1042, 1372, 1715, 1960, 2084, 2605, 2744, 3430, 3647, 4168, 5210, 6860, 7294, 10420, 13720, 14588, 18235, 20840, 25529, 29176, 36470, 51058, 72940, 102116, 127645, 145880, 178703, 204232, 255290, 357406, 510580, 714812, 893515, 1021160, 1429624, 1787030, 3574060, 7148120]

約数ペア:

[(1, 7148120), (2, 3574060), (4, 1787030), (5, 1429624), (7, 1021160), (8, 893515), (10, 714812), (14, 510580), (20, 357406), (28, 255290), (35, 204232), (40, 178703), (49, 145880), (56, 127645), (70, 102116), (98, 72940), (140, 51058), (196, 36470), (245, 29176), (280, 25529), (343, 20840), (392, 18235), (490, 14588), (521, 13720), (686, 10420), (980, 7294), (1042, 6860), (1372, 5210), (1715, 4168), (1960, 3647), (2084, 3430), (2605, 2744)]