211037260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3797}}^1$

素因数の和:4210

約数の個数: 48

約数和(自身を含む): 507898944

約数和(自身を除く): 296861684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3797, 3970, 5558, 7594, 7940, 11116, 13895, 15188, 18985, 26579, 27790, 37970, 53158, 55580, 75940, 106316, 132895, 265790, 531580, 1507409, 3014818, 6029636, 7537045, 10551863, 15074090, 21103726, 30148180, 42207452, 52759315, 105518630, 211037260]

約数ペア:

[(1, 211037260), (2, 105518630), (4, 52759315), (5, 42207452), (7, 30148180), (10, 21103726), (14, 15074090), (20, 10551863), (28, 7537045), (35, 6029636), (70, 3014818), (140, 1507409), (397, 531580), (794, 265790), (1588, 132895), (1985, 106316), (2779, 75940), (3797, 55580), (3970, 53158), (5558, 37970), (7594, 27790), (7940, 26579), (11116, 18985), (13895, 15188)]