89516140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13049}}^1$

素因数の和:13079

約数の個数: 48

約数和(自身を含む): 219240000

約数和(自身を除く): 129723860

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, 13049, 26098, 52196, 65245, 91343, 130490, 182686, 260980, 365372, 456715, 639401, 913430, 1278802, 1826860, 2557604, 3197005, 4475807, 6394010, 8951614, 12788020, 17903228, 22379035, 44758070, 89516140]

約数ペア:

[(1, 89516140), (2, 44758070), (4, 22379035), (5, 17903228), (7, 12788020), (10, 8951614), (14, 6394010), (20, 4475807), (28, 3197005), (35, 2557604), (49, 1826860), (70, 1278802), (98, 913430), (140, 639401), (196, 456715), (245, 365372), (343, 260980), (490, 182686), (686, 130490), (980, 91343), (1372, 65245), (1715, 52196), (3430, 26098), (6860, 13049)]