61938940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9029}}^1$

素因数の和:9059

約数の個数: 48

約数和(自身を含む): 151704000

約数和(自身を除く): 89765060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9029, 18058, 36116, 45145, 63203, 90290, 126406, 180580, 252812, 316015, 442421, 632030, 884842, 1264060, 1769684, 2212105, 3096947, 4424210, 6193894, 8848420, 12387788, 15484735, 30969470, 61938940]

約数ペア:

[(1, 61938940), (2, 30969470), (4, 15484735), (5, 12387788), (7, 8848420), (10, 6193894), (14, 4424210), (20, 3096947), (28, 2212105), (35, 1769684), (49, 1264060), (70, 884842), (98, 632030), (140, 442421), (196, 316015), (245, 252812), (343, 180580), (490, 126406), (686, 90290), (980, 63203), (1372, 45145), (1715, 36116), (3430, 18058), (6860, 9029)]