439667030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 914008320

約数和(自身を除く): 474341290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 211, 418, 422, 997, 1045, 1055, 1994, 2090, 2110, 2321, 4009, 4642, 4985, 8018, 9970, 10967, 11605, 18943, 20045, 21934, 23210, 37886, 40090, 44099, 54835, 88198, 94715, 109670, 189430, 208373, 210367, 220495, 416746, 420734, 440990, 1041865, 1051835, 2083730, 2103670, 2314037, 3996973, 4628074, 7993946, 11570185, 19984865, 23140370, 39969730, 43966703, 87933406, 219833515, 439667030]

約数ペア:

[(1, 439667030), (2, 219833515), (5, 87933406), (10, 43966703), (11, 39969730), (19, 23140370), (22, 19984865), (38, 11570185), (55, 7993946), (95, 4628074), (110, 3996973), (190, 2314037), (209, 2103670), (211, 2083730), (418, 1051835), (422, 1041865), (997, 440990), (1045, 420734), (1055, 416746), (1994, 220495), (2090, 210367), (2110, 208373), (2321, 189430), (4009, 109670), (4642, 94715), (4985, 88198), (8018, 54835), (9970, 44099), (10967, 40090), (11605, 37886), (18943, 23210), (20045, 21934)]