90880810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 88900310

約数列:

[1, 2, 5, 10, 17, 34, 67, 79, 85, 101, 134, 158, 170, 202, 335, 395, 505, 670, 790, 1010, 1139, 1343, 1717, 2278, 2686, 3434, 5293, 5695, 6715, 6767, 7979, 8585, 10586, 11390, 13430, 13534, 15958, 17170, 26465, 33835, 39895, 52930, 67670, 79790, 89981, 115039, 135643, 179962, 230078, 271286, 449905, 534593, 575195, 678215, 899810, 1069186, 1150390, 1356430, 2672965, 5345930, 9088081, 18176162, 45440405, 90880810]

約数ペア:

[(1, 90880810), (2, 45440405), (5, 18176162), (10, 9088081), (17, 5345930), (34, 2672965), (67, 1356430), (79, 1150390), (85, 1069186), (101, 899810), (134, 678215), (158, 575195), (170, 534593), (202, 449905), (335, 271286), (395, 230078), (505, 179962), (670, 135643), (790, 115039), (1010, 89981), (1139, 79790), (1343, 67670), (1717, 52930), (2278, 39895), (2686, 33835), (3434, 26465), (5293, 17170), (5695, 15958), (6715, 13534), (6767, 13430), (7979, 11390), (8585, 10586)]