12693380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 30917376

約数和(自身を除く): 18223996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1277, 1420, 1988, 2485, 2554, 4970, 5108, 6385, 8939, 9940, 12770, 17878, 25540, 35756, 44695, 89390, 90667, 178780, 181334, 362668, 453335, 634669, 906670, 1269338, 1813340, 2538676, 3173345, 6346690, 12693380]

約数ペア:

[(1, 12693380), (2, 6346690), (4, 3173345), (5, 2538676), (7, 1813340), (10, 1269338), (14, 906670), (20, 634669), (28, 453335), (35, 362668), (70, 181334), (71, 178780), (140, 90667), (142, 89390), (284, 44695), (355, 35756), (497, 25540), (710, 17878), (994, 12770), (1277, 9940), (1420, 8939), (1988, 6385), (2485, 5108), (2554, 4970)]