4392400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 60

約数和(自身を含む): 10763200

約数和(自身を除く): 6370800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 139, 158, 200, 278, 316, 395, 400, 556, 632, 695, 790, 1112, 1264, 1390, 1580, 1975, 2224, 2780, 3160, 3475, 3950, 5560, 6320, 6950, 7900, 10981, 11120, 13900, 15800, 21962, 27800, 31600, 43924, 54905, 55600, 87848, 109810, 175696, 219620, 274525, 439240, 549050, 878480, 1098100, 2196200, 4392400]

約数ペア:

[(1, 4392400), (2, 2196200), (4, 1098100), (5, 878480), (8, 549050), (10, 439240), (16, 274525), (20, 219620), (25, 175696), (40, 109810), (50, 87848), (79, 55600), (80, 54905), (100, 43924), (139, 31600), (158, 27800), (200, 21962), (278, 15800), (316, 13900), (395, 11120), (400, 10981), (556, 7900), (632, 6950), (695, 6320), (790, 5560), (1112, 3950), (1264, 3475), (1390, 3160), (1580, 2780), (1975, 2224)]