208327760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{70381}}^1$

素因数の和:70431

約数の個数: 40

約数和(自身を含む): 497459976

約数和(自身を除く): 289132216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 70381, 140762, 281524, 351905, 563048, 703810, 1126096, 1407620, 2604097, 2815240, 5208194, 5630480, 10416388, 13020485, 20832776, 26040970, 41665552, 52081940, 104163880, 208327760]

約数ペア:

[(1, 208327760), (2, 104163880), (4, 52081940), (5, 41665552), (8, 26040970), (10, 20832776), (16, 13020485), (20, 10416388), (37, 5630480), (40, 5208194), (74, 2815240), (80, 2604097), (148, 1407620), (185, 1126096), (296, 703810), (370, 563048), (592, 351905), (740, 281524), (1480, 140762), (2960, 70381)]