78442930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 155457792

約数和(自身を除く): 77014862

約数列:

[1, 2, 5, 10, 17, 34, 67, 71, 85, 97, 134, 142, 170, 194, 335, 355, 485, 670, 710, 970, 1139, 1207, 1649, 2278, 2414, 3298, 4757, 5695, 6035, 6499, 6887, 8245, 9514, 11390, 12070, 12998, 13774, 16490, 23785, 32495, 34435, 47570, 64990, 68870, 80869, 110483, 117079, 161738, 220966, 234158, 404345, 461429, 552415, 585395, 808690, 922858, 1104830, 1170790, 2307145, 4614290, 7844293, 15688586, 39221465, 78442930]

約数ペア:

[(1, 78442930), (2, 39221465), (5, 15688586), (10, 7844293), (17, 4614290), (34, 2307145), (67, 1170790), (71, 1104830), (85, 922858), (97, 808690), (134, 585395), (142, 552415), (170, 461429), (194, 404345), (335, 234158), (355, 220966), (485, 161738), (670, 117079), (710, 110483), (970, 80869), (1139, 68870), (1207, 64990), (1649, 47570), (2278, 34435), (2414, 32495), (3298, 23785), (4757, 16490), (5695, 13774), (6035, 12998), (6499, 12070), (6887, 11390), (8245, 9514)]