354471940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{242789}}^1$

素因数の和:242871

約数の個数: 24

約数和(自身を含む): 754591320

約数和(自身を除く): 400119380

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 242789, 485578, 971156, 1213945, 2427890, 4855780, 17723597, 35447194, 70894388, 88617985, 177235970, 354471940]

約数ペア:

[(1, 354471940), (2, 177235970), (4, 88617985), (5, 70894388), (10, 35447194), (20, 17723597), (73, 4855780), (146, 2427890), (292, 1213945), (365, 971156), (730, 485578), (1460, 242789)]