7971113200

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{280673}}^1$

素因数の和:280762

約数の個数: 60

約数和(自身を含む): 19420395408

約数和(自身を除く): 11449282208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 14200, 28400, 280673, 561346, 1122692, 1403365, 2245384, 2806730, 4490768, 5613460, 7016825, 11226920, 14033650, 19927783, 22453840, 28067300, 39855566, 56134600, 79711132, 99638915, 112269200, 159422264, 199277830, 318844528, 398555660, 498194575, 797111320, 996389150, 1594222640, 1992778300, 3985556600, 7971113200]

約数ペア:

[(1, 7971113200), (2, 3985556600), (4, 1992778300), (5, 1594222640), (8, 996389150), (10, 797111320), (16, 498194575), (20, 398555660), (25, 318844528), (40, 199277830), (50, 159422264), (71, 112269200), (80, 99638915), (100, 79711132), (142, 56134600), (200, 39855566), (284, 28067300), (355, 22453840), (400, 19927783), (568, 14033650), (710, 11226920), (1136, 7016825), (1420, 5613460), (1775, 4490768), (2840, 2806730), (3550, 2245384), (5680, 1403365), (7100, 1122692), (14200, 561346), (28400, 280673)]