258664400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{10601}}^1$

素因数の和:10680

約数の個数: 60

約数和(自身を含む): 631688364

約数和(自身を除く): 373023964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 4880, 6100, 10601, 12200, 21202, 24400, 42404, 53005, 84808, 106010, 169616, 212020, 265025, 424040, 530050, 646661, 848080, 1060100, 1293322, 2120200, 2586644, 3233305, 4240400, 5173288, 6466610, 10346576, 12933220, 16166525, 25866440, 32333050, 51732880, 64666100, 129332200, 258664400]

約数ペア:

[(1, 258664400), (2, 129332200), (4, 64666100), (5, 51732880), (8, 32333050), (10, 25866440), (16, 16166525), (20, 12933220), (25, 10346576), (40, 6466610), (50, 5173288), (61, 4240400), (80, 3233305), (100, 2586644), (122, 2120200), (200, 1293322), (244, 1060100), (305, 848080), (400, 646661), (488, 530050), (610, 424040), (976, 265025), (1220, 212020), (1525, 169616), (2440, 106010), (3050, 84808), (4880, 53005), (6100, 42404), (10601, 24400), (12200, 21202)]