1520798980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{9923}}^1$

素因数の和:10108

約数の個数: 48

約数和(自身を含む): 3267774720

約数和(自身を除く): 1746975740

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 388, 395, 485, 790, 970, 1580, 1940, 7663, 9923, 15326, 19846, 30652, 38315, 39692, 49615, 76630, 99230, 153260, 198460, 783917, 962531, 1567834, 1925062, 3135668, 3850124, 3919585, 4812655, 7839170, 9625310, 15678340, 19250620, 76039949, 152079898, 304159796, 380199745, 760399490, 1520798980]

約数ペア:

[(1, 1520798980), (2, 760399490), (4, 380199745), (5, 304159796), (10, 152079898), (20, 76039949), (79, 19250620), (97, 15678340), (158, 9625310), (194, 7839170), (316, 4812655), (388, 3919585), (395, 3850124), (485, 3135668), (790, 1925062), (970, 1567834), (1580, 962531), (1940, 783917), (7663, 198460), (9923, 153260), (15326, 99230), (19846, 76630), (30652, 49615), (38315, 39692)]