140556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 381024

約数和(自身を除く): 240468

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 53, 68, 78, 102, 106, 156, 159, 204, 212, 221, 318, 442, 636, 663, 689, 884, 901, 1326, 1378, 1802, 2067, 2652, 2703, 2756, 3604, 4134, 5406, 8268, 10812, 11713, 23426, 35139, 46852, 70278, 140556]

約数ペア:

[(1, 140556), (2, 70278), (3, 46852), (4, 35139), (6, 23426), (12, 11713), (13, 10812), (17, 8268), (26, 5406), (34, 4134), (39, 3604), (51, 2756), (52, 2703), (53, 2652), (68, 2067), (78, 1802), (102, 1378), (106, 1326), (156, 901), (159, 884), (204, 689), (212, 663), (221, 636), (318, 442)]