211499920

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{4271}}^1$

素因数の和:4903

約数の個数: 40

約数和(自身を含む): 492647040

約数和(自身を除く): 281147120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 4271, 4952, 6190, 8542, 9904, 12380, 17084, 21355, 24760, 34168, 42710, 49520, 68336, 85420, 170840, 341680, 2643749, 5287498, 10574996, 13218745, 21149992, 26437490, 42299984, 52874980, 105749960, 211499920]

約数ペア:

[(1, 211499920), (2, 105749960), (4, 52874980), (5, 42299984), (8, 26437490), (10, 21149992), (16, 13218745), (20, 10574996), (40, 5287498), (80, 2643749), (619, 341680), (1238, 170840), (2476, 85420), (3095, 68336), (4271, 49520), (4952, 42710), (6190, 34168), (8542, 24760), (9904, 21355), (12380, 17084)]