17219440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 46372032

約数和(自身を除く): 29152592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 317, 388, 485, 560, 634, 679, 776, 970, 1268, 1358, 1552, 1585, 1940, 2219, 2536, 2716, 3170, 3395, 3880, 4438, 5072, 5432, 6340, 6790, 7760, 8876, 10864, 11095, 12680, 13580, 17752, 22190, 25360, 27160, 30749, 35504, 44380, 54320, 61498, 88760, 122996, 153745, 177520, 215243, 245992, 307490, 430486, 491984, 614980, 860972, 1076215, 1229960, 1721944, 2152430, 2459920, 3443888, 4304860, 8609720, 17219440]

約数ペア:

[(1, 17219440), (2, 8609720), (4, 4304860), (5, 3443888), (7, 2459920), (8, 2152430), (10, 1721944), (14, 1229960), (16, 1076215), (20, 860972), (28, 614980), (35, 491984), (40, 430486), (56, 307490), (70, 245992), (80, 215243), (97, 177520), (112, 153745), (140, 122996), (194, 88760), (280, 61498), (317, 54320), (388, 44380), (485, 35504), (560, 30749), (634, 27160), (679, 25360), (776, 22190), (970, 17752), (1268, 13580), (1358, 12680), (1552, 11095), (1585, 10864), (1940, 8876), (2219, 7760), (2536, 6790), (2716, 6340), (3170, 5432), (3395, 5072), (3880, 4438)]