12570460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 31256064

約数和(自身を除く): 18685604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 127, 140, 196, 202, 245, 254, 404, 490, 505, 508, 635, 707, 889, 980, 1010, 1270, 1414, 1778, 2020, 2540, 2828, 3535, 3556, 4445, 4949, 6223, 7070, 8890, 9898, 12446, 12827, 14140, 17780, 19796, 24745, 24892, 25654, 31115, 49490, 51308, 62230, 64135, 89789, 98980, 124460, 128270, 179578, 256540, 359156, 448945, 628523, 897890, 1257046, 1795780, 2514092, 3142615, 6285230, 12570460]

約数ペア:

[(1, 12570460), (2, 6285230), (4, 3142615), (5, 2514092), (7, 1795780), (10, 1257046), (14, 897890), (20, 628523), (28, 448945), (35, 359156), (49, 256540), (70, 179578), (98, 128270), (101, 124460), (127, 98980), (140, 89789), (196, 64135), (202, 62230), (245, 51308), (254, 49490), (404, 31115), (490, 25654), (505, 24892), (508, 24745), (635, 19796), (707, 17780), (889, 14140), (980, 12827), (1010, 12446), (1270, 9898), (1414, 8890), (1778, 7070), (2020, 6223), (2540, 4949), (2828, 4445), (3535, 3556)]