245049280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{109397}}^1$

素因数の和:109421

約数の個数: 56

約数和(自身を含む): 666890208

約数和(自身を除く): 421840928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 109397, 218794, 437588, 546985, 765779, 875176, 1093970, 1531558, 1750352, 2187940, 3063116, 3500704, 3828895, 4375880, 6126232, 7001408, 7657790, 8751760, 12252464, 15315580, 17503520, 24504928, 30631160, 35007040, 49009856, 61262320, 122524640, 245049280]

約数ペア:

[(1, 245049280), (2, 122524640), (4, 61262320), (5, 49009856), (7, 35007040), (8, 30631160), (10, 24504928), (14, 17503520), (16, 15315580), (20, 12252464), (28, 8751760), (32, 7657790), (35, 7001408), (40, 6126232), (56, 4375880), (64, 3828895), (70, 3500704), (80, 3063116), (112, 2187940), (140, 1750352), (160, 1531558), (224, 1093970), (280, 875176), (320, 765779), (448, 546985), (560, 437588), (1120, 218794), (2240, 109397)]