157290420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{374501}}^1$

素因数の和:374520

約数の個数: 48

約数和(自身を含む): 503330688

約数和(自身を除く): 346040268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 374501, 749002, 1123503, 1498004, 1872505, 2247006, 2621507, 3745010, 4494012, 5243014, 5617515, 7490020, 7864521, 10486028, 11235030, 13107535, 15729042, 22470060, 26215070, 31458084, 39322605, 52430140, 78645210, 157290420]

約数ペア:

[(1, 157290420), (2, 78645210), (3, 52430140), (4, 39322605), (5, 31458084), (6, 26215070), (7, 22470060), (10, 15729042), (12, 13107535), (14, 11235030), (15, 10486028), (20, 7864521), (21, 7490020), (28, 5617515), (30, 5243014), (35, 4494012), (42, 3745010), (60, 2621507), (70, 2247006), (84, 1872505), (105, 1498004), (140, 1123503), (210, 749002), (420, 374501)]