408020200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{291443}}^1$

素因数の和:291466

約数の個数: 48

約数和(自身を含む): 1084171680

約数和(自身を除く): 676151480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 291443, 582886, 1165772, 1457215, 2040101, 2331544, 2914430, 4080202, 5828860, 7286075, 8160404, 10200505, 11657720, 14572150, 16320808, 20401010, 29144300, 40802020, 51002525, 58288600, 81604040, 102005050, 204010100, 408020200]

約数ペア:

[(1, 408020200), (2, 204010100), (4, 102005050), (5, 81604040), (7, 58288600), (8, 51002525), (10, 40802020), (14, 29144300), (20, 20401010), (25, 16320808), (28, 14572150), (35, 11657720), (40, 10200505), (50, 8160404), (56, 7286075), (70, 5828860), (100, 4080202), (140, 2914430), (175, 2331544), (200, 2040101), (280, 1457215), (350, 1165772), (700, 582886), (1400, 291443)]