17378420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 21812620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 647, 790, 1294, 1343, 1580, 2588, 2686, 3235, 5372, 6470, 6715, 10999, 12940, 13430, 21998, 26860, 43996, 51113, 54995, 102226, 109990, 204452, 219980, 255565, 511130, 868921, 1022260, 1737842, 3475684, 4344605, 8689210, 17378420]

約数ペア:

[(1, 17378420), (2, 8689210), (4, 4344605), (5, 3475684), (10, 1737842), (17, 1022260), (20, 868921), (34, 511130), (68, 255565), (79, 219980), (85, 204452), (158, 109990), (170, 102226), (316, 54995), (340, 51113), (395, 43996), (647, 26860), (790, 21998), (1294, 13430), (1343, 12940), (1580, 10999), (2588, 6715), (2686, 6470), (3235, 5372)]