344539340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{3943}}^1$

素因数の和:4226

約数の個数: 48

約数和(自身を含む): 769269312

約数和(自身を除く): 424729972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 1028, 1285, 2570, 3943, 4369, 5140, 7886, 8738, 15772, 17476, 19715, 21845, 39430, 43690, 67031, 78860, 87380, 134062, 268124, 335155, 670310, 1013351, 1340620, 2026702, 4053404, 5066755, 10133510, 17226967, 20267020, 34453934, 68907868, 86134835, 172269670, 344539340]

約数ペア:

[(1, 344539340), (2, 172269670), (4, 86134835), (5, 68907868), (10, 34453934), (17, 20267020), (20, 17226967), (34, 10133510), (68, 5066755), (85, 4053404), (170, 2026702), (257, 1340620), (340, 1013351), (514, 670310), (1028, 335155), (1285, 268124), (2570, 134062), (3943, 87380), (4369, 78860), (5140, 67031), (7886, 43690), (8738, 39430), (15772, 21845), (17476, 19715)]