797810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 48

約数和(自身を含む): 1728216

約数和(自身を除く): 930406

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 361, 442, 494, 646, 722, 1105, 1235, 1615, 1805, 2210, 2470, 3230, 3610, 4199, 4693, 6137, 8398, 9386, 12274, 20995, 23465, 30685, 41990, 46930, 61370, 79781, 159562, 398905, 797810]

約数ペア:

[(1, 797810), (2, 398905), (5, 159562), (10, 79781), (13, 61370), (17, 46930), (19, 41990), (26, 30685), (34, 23465), (38, 20995), (65, 12274), (85, 9386), (95, 8398), (130, 6137), (170, 4693), (190, 4199), (221, 3610), (247, 3230), (323, 2470), (361, 2210), (442, 1805), (494, 1615), (646, 1235), (722, 1105)]