1338260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 3575040

約数和(自身を除く): 2236780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 79, 110, 121, 140, 154, 158, 220, 242, 308, 316, 385, 395, 484, 553, 605, 770, 790, 847, 869, 1106, 1210, 1540, 1580, 1694, 1738, 2212, 2420, 2765, 3388, 3476, 4235, 4345, 5530, 6083, 8470, 8690, 9559, 11060, 12166, 16940, 17380, 19118, 24332, 30415, 38236, 47795, 60830, 66913, 95590, 121660, 133826, 191180, 267652, 334565, 669130, 1338260]

約数ペア:

[(1, 1338260), (2, 669130), (4, 334565), (5, 267652), (7, 191180), (10, 133826), (11, 121660), (14, 95590), (20, 66913), (22, 60830), (28, 47795), (35, 38236), (44, 30415), (55, 24332), (70, 19118), (77, 17380), (79, 16940), (110, 12166), (121, 11060), (140, 9559), (154, 8690), (158, 8470), (220, 6083), (242, 5530), (308, 4345), (316, 4235), (385, 3476), (395, 3388), (484, 2765), (553, 2420), (605, 2212), (770, 1738), (790, 1694), (847, 1580), (869, 1540), (1106, 1210)]