208405710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{563}}^1$

素因数の和:1039

約数の個数: 80

約数和(自身を含む): 562603536

約数和(自身を除く): 354197826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 457, 563, 810, 914, 1126, 1371, 1689, 2285, 2742, 2815, 3378, 4113, 4570, 5067, 5630, 6855, 8226, 8445, 10134, 12339, 13710, 15201, 16890, 20565, 24678, 25335, 30402, 37017, 41130, 45603, 50670, 61695, 74034, 76005, 91206, 123390, 152010, 185085, 228015, 257291, 370170, 456030, 514582, 771873, 1286455, 1543746, 2315619, 2572910, 3859365, 4631238, 6946857, 7718730, 11578095, 13893714, 20840571, 23156190, 34734285, 41681142, 69468570, 104202855, 208405710]

約数ペア:

[(1, 208405710), (2, 104202855), (3, 69468570), (5, 41681142), (6, 34734285), (9, 23156190), (10, 20840571), (15, 13893714), (18, 11578095), (27, 7718730), (30, 6946857), (45, 4631238), (54, 3859365), (81, 2572910), (90, 2315619), (135, 1543746), (162, 1286455), (270, 771873), (405, 514582), (457, 456030), (563, 370170), (810, 257291), (914, 228015), (1126, 185085), (1371, 152010), (1689, 123390), (2285, 91206), (2742, 76005), (2815, 74034), (3378, 61695), (4113, 50670), (4570, 45603), (5067, 41130), (5630, 37017), (6855, 30402), (8226, 25335), (8445, 24678), (10134, 20565), (12339, 16890), (13710, 15201)]