398880660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{15791}}^1$

素因数の和:16224

約数の個数: 48

約数和(自身を含む): 1119589632

約数和(自身を除く): 720708972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 4210, 5052, 6315, 8420, 12630, 15791, 25260, 31582, 47373, 63164, 78955, 94746, 157910, 189492, 236865, 315820, 473730, 947460, 6648011, 13296022, 19944033, 26592044, 33240055, 39888066, 66480110, 79776132, 99720165, 132960220, 199440330, 398880660]

約数ペア:

[(1, 398880660), (2, 199440330), (3, 132960220), (4, 99720165), (5, 79776132), (6, 66480110), (10, 39888066), (12, 33240055), (15, 26592044), (20, 19944033), (30, 13296022), (60, 6648011), (421, 947460), (842, 473730), (1263, 315820), (1684, 236865), (2105, 189492), (2526, 157910), (4210, 94746), (5052, 78955), (6315, 63164), (8420, 47373), (12630, 31582), (15791, 25260)]