68835080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 158865840

約数和(自身を除く): 90030760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 113, 157, 194, 226, 314, 388, 452, 485, 565, 628, 776, 785, 904, 970, 1130, 1256, 1570, 1940, 2260, 3140, 3880, 4520, 6280, 10961, 15229, 17741, 21922, 30458, 35482, 43844, 54805, 60916, 70964, 76145, 87688, 88705, 109610, 121832, 141928, 152290, 177410, 219220, 304580, 354820, 438440, 609160, 709640, 1720877, 3441754, 6883508, 8604385, 13767016, 17208770, 34417540, 68835080]

約数ペア:

[(1, 68835080), (2, 34417540), (4, 17208770), (5, 13767016), (8, 8604385), (10, 6883508), (20, 3441754), (40, 1720877), (97, 709640), (113, 609160), (157, 438440), (194, 354820), (226, 304580), (314, 219220), (388, 177410), (452, 152290), (485, 141928), (565, 121832), (628, 109610), (776, 88705), (785, 87688), (904, 76145), (970, 70964), (1130, 60916), (1256, 54805), (1570, 43844), (1940, 35482), (2260, 30458), (3140, 21922), (3880, 17741), (4520, 15229), (6280, 10961)]