28545110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 58375296

約数和(自身を除く): 29830186

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 605, 682, 761, 1210, 1522, 1705, 3410, 3751, 3805, 7502, 7610, 8371, 16742, 18755, 23591, 37510, 41855, 47182, 83710, 92081, 117955, 184162, 235910, 259501, 460405, 519002, 920810, 1297505, 2595010, 2854511, 5709022, 14272555, 28545110]

約数ペア:

[(1, 28545110), (2, 14272555), (5, 5709022), (10, 2854511), (11, 2595010), (22, 1297505), (31, 920810), (55, 519002), (62, 460405), (110, 259501), (121, 235910), (155, 184162), (242, 117955), (310, 92081), (341, 83710), (605, 47182), (682, 41855), (761, 37510), (1210, 23591), (1522, 18755), (1705, 16742), (3410, 8371), (3751, 7610), (3805, 7502)]