321970400

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3169}}^1$

素因数の和:3316

約数の個数: 72

約数和(自身を含む): 792449280

約数和(自身を除く): 470478880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2540, 3169, 3175, 4064, 5080, 6338, 6350, 10160, 12676, 12700, 15845, 20320, 25352, 25400, 31690, 50704, 50800, 63380, 79225, 101408, 101600, 126760, 158450, 253520, 316900, 402463, 507040, 633800, 804926, 1267600, 1609852, 2012315, 2535200, 3219704, 4024630, 6439408, 8049260, 10061575, 12878816, 16098520, 20123150, 32197040, 40246300, 64394080, 80492600, 160985200, 321970400]

約数ペア:

[(1, 321970400), (2, 160985200), (4, 80492600), (5, 64394080), (8, 40246300), (10, 32197040), (16, 20123150), (20, 16098520), (25, 12878816), (32, 10061575), (40, 8049260), (50, 6439408), (80, 4024630), (100, 3219704), (127, 2535200), (160, 2012315), (200, 1609852), (254, 1267600), (400, 804926), (508, 633800), (635, 507040), (800, 402463), (1016, 316900), (1270, 253520), (2032, 158450), (2540, 126760), (3169, 101600), (3175, 101408), (4064, 79225), (5080, 63380), (6338, 50800), (6350, 50704), (10160, 31690), (12676, 25400), (12700, 25352), (15845, 20320)]