4351760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 12201600

約数和(自身を除く): 7849840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 409, 532, 560, 665, 760, 818, 1064, 1330, 1520, 1636, 2045, 2128, 2660, 2863, 3272, 4090, 5320, 5726, 6544, 7771, 8180, 10640, 11452, 14315, 15542, 16360, 22904, 28630, 31084, 32720, 38855, 45808, 54397, 57260, 62168, 77710, 108794, 114520, 124336, 155420, 217588, 229040, 271985, 310840, 435176, 543970, 621680, 870352, 1087940, 2175880, 4351760]

約数ペア:

[(1, 4351760), (2, 2175880), (4, 1087940), (5, 870352), (7, 621680), (8, 543970), (10, 435176), (14, 310840), (16, 271985), (19, 229040), (20, 217588), (28, 155420), (35, 124336), (38, 114520), (40, 108794), (56, 77710), (70, 62168), (76, 57260), (80, 54397), (95, 45808), (112, 38855), (133, 32720), (140, 31084), (152, 28630), (190, 22904), (266, 16360), (280, 15542), (304, 14315), (380, 11452), (409, 10640), (532, 8180), (560, 7771), (665, 6544), (760, 5726), (818, 5320), (1064, 4090), (1330, 3272), (1520, 2863), (1636, 2660), (2045, 2128)]