19204400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1230

約数の個数: 60

約数和(自身を含む): 47304264

約数和(自身を除く): 28099864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1171, 1640, 2050, 2342, 3280, 4100, 4684, 5855, 8200, 9368, 11710, 16400, 18736, 23420, 29275, 46840, 48011, 58550, 93680, 96022, 117100, 192044, 234200, 240055, 384088, 468400, 480110, 768176, 960220, 1200275, 1920440, 2400550, 3840880, 4801100, 9602200, 19204400]

約数ペア:

[(1, 19204400), (2, 9602200), (4, 4801100), (5, 3840880), (8, 2400550), (10, 1920440), (16, 1200275), (20, 960220), (25, 768176), (40, 480110), (41, 468400), (50, 384088), (80, 240055), (82, 234200), (100, 192044), (164, 117100), (200, 96022), (205, 93680), (328, 58550), (400, 48011), (410, 46840), (656, 29275), (820, 23420), (1025, 18736), (1171, 16400), (1640, 11710), (2050, 9368), (2342, 8200), (3280, 5855), (4100, 4684)]