853580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 2279088

約数和(自身を除く): 1425508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 67, 70, 91, 98, 130, 134, 140, 182, 196, 245, 260, 268, 335, 364, 455, 469, 490, 637, 670, 871, 910, 938, 980, 1274, 1340, 1742, 1820, 1876, 2345, 2548, 3185, 3283, 3484, 4355, 4690, 6097, 6370, 6566, 8710, 9380, 12194, 12740, 13132, 16415, 17420, 24388, 30485, 32830, 42679, 60970, 65660, 85358, 121940, 170716, 213395, 426790, 853580]

約数ペア:

[(1, 853580), (2, 426790), (4, 213395), (5, 170716), (7, 121940), (10, 85358), (13, 65660), (14, 60970), (20, 42679), (26, 32830), (28, 30485), (35, 24388), (49, 17420), (52, 16415), (65, 13132), (67, 12740), (70, 12194), (91, 9380), (98, 8710), (130, 6566), (134, 6370), (140, 6097), (182, 4690), (196, 4355), (245, 3484), (260, 3283), (268, 3185), (335, 2548), (364, 2345), (455, 1876), (469, 1820), (490, 1742), (637, 1340), (670, 1274), (871, 980), (910, 938)]