68363660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 146694240

約数和(自身を除く): 78330580

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 269, 388, 485, 524, 538, 655, 970, 1076, 1310, 1345, 1940, 2620, 2690, 5380, 12707, 25414, 26093, 35239, 50828, 52186, 63535, 70478, 104372, 127070, 130465, 140956, 176195, 254140, 260930, 352390, 521860, 704780, 3418183, 6836366, 13672732, 17090915, 34181830, 68363660]

約数ペア:

[(1, 68363660), (2, 34181830), (4, 17090915), (5, 13672732), (10, 6836366), (20, 3418183), (97, 704780), (131, 521860), (194, 352390), (262, 260930), (269, 254140), (388, 176195), (485, 140956), (524, 130465), (538, 127070), (655, 104372), (970, 70478), (1076, 63535), (1310, 52186), (1345, 50828), (1940, 35239), (2620, 26093), (2690, 25414), (5380, 12707)]