139643680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7213}}^1$

素因数の和:7250

約数の個数: 72

約数和(自身を含む): 362676636

約数和(自身を除く): 223032956

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 7213, 9680, 14426, 19360, 28852, 36065, 57704, 72130, 79343, 115408, 144260, 158686, 230816, 288520, 317372, 396715, 577040, 634744, 793430, 872773, 1154080, 1269488, 1586860, 1745546, 2538976, 3173720, 3491092, 4363865, 6347440, 6982184, 8727730, 12694880, 13964368, 17455460, 27928736, 34910920, 69821840, 139643680]

約数ペア:

[(1, 139643680), (2, 69821840), (4, 34910920), (5, 27928736), (8, 17455460), (10, 13964368), (11, 12694880), (16, 8727730), (20, 6982184), (22, 6347440), (32, 4363865), (40, 3491092), (44, 3173720), (55, 2538976), (80, 1745546), (88, 1586860), (110, 1269488), (121, 1154080), (160, 872773), (176, 793430), (220, 634744), (242, 577040), (352, 396715), (440, 317372), (484, 288520), (605, 230816), (880, 158686), (968, 144260), (1210, 115408), (1760, 79343), (1936, 72130), (2420, 57704), (3872, 36065), (4840, 28852), (7213, 19360), (9680, 14426)]