15420400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2066

約数の個数: 60

約数和(自身を含む): 39016600

約数和(自身を除く): 23596200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2029, 3800, 4058, 7600, 8116, 10145, 16232, 20290, 32464, 38551, 40580, 50725, 77102, 81160, 101450, 154204, 162320, 192755, 202900, 308408, 385510, 405800, 616816, 771020, 811600, 963775, 1542040, 1927550, 3084080, 3855100, 7710200, 15420400]

約数ペア:

[(1, 15420400), (2, 7710200), (4, 3855100), (5, 3084080), (8, 1927550), (10, 1542040), (16, 963775), (19, 811600), (20, 771020), (25, 616816), (38, 405800), (40, 385510), (50, 308408), (76, 202900), (80, 192755), (95, 162320), (100, 154204), (152, 101450), (190, 81160), (200, 77102), (304, 50725), (380, 40580), (400, 38551), (475, 32464), (760, 20290), (950, 16232), (1520, 10145), (1900, 8116), (2029, 7600), (3800, 4058)]