688045250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1669}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 1378671840

約数和(自身を除く): 690626590

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 97, 125, 170, 194, 250, 425, 485, 850, 970, 1649, 1669, 2125, 2425, 3298, 3338, 4250, 4850, 8245, 8345, 12125, 16490, 16690, 24250, 28373, 41225, 41725, 56746, 82450, 83450, 141865, 161893, 206125, 208625, 283730, 323786, 412250, 417250, 709325, 809465, 1418650, 1618930, 2752181, 3546625, 4047325, 5504362, 7093250, 8094650, 13760905, 20236625, 27521810, 40473250, 68804525, 137609050, 344022625, 688045250]

約数ペア:

[(1, 688045250), (2, 344022625), (5, 137609050), (10, 68804525), (17, 40473250), (25, 27521810), (34, 20236625), (50, 13760905), (85, 8094650), (97, 7093250), (125, 5504362), (170, 4047325), (194, 3546625), (250, 2752181), (425, 1618930), (485, 1418650), (850, 809465), (970, 709325), (1649, 417250), (1669, 412250), (2125, 323786), (2425, 283730), (3298, 208625), (3338, 206125), (4250, 161893), (4850, 141865), (8245, 83450), (8345, 82450), (12125, 56746), (16490, 41725), (16690, 41225), (24250, 28373)]