261634940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2475

約数の個数: 96

約数和(自身を含む): 677376000

約数和(自身を除く): 415741060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 164, 190, 205, 266, 287, 380, 410, 532, 574, 665, 779, 820, 1148, 1330, 1435, 1558, 2399, 2660, 2870, 3116, 3895, 4798, 5453, 5740, 7790, 9596, 10906, 11995, 15580, 16793, 21812, 23990, 27265, 33586, 45581, 47980, 54530, 67172, 83965, 91162, 98359, 109060, 167930, 182324, 196718, 227905, 319067, 335860, 393436, 455810, 491795, 638134, 688513, 911620, 983590, 1276268, 1377026, 1595335, 1868821, 1967180, 2754052, 3190670, 3442565, 3737642, 6381340, 6885130, 7475284, 9344105, 13081747, 13770260, 18688210, 26163494, 37376420, 52326988, 65408735, 130817470, 261634940]

約数ペア:

[(1, 261634940), (2, 130817470), (4, 65408735), (5, 52326988), (7, 37376420), (10, 26163494), (14, 18688210), (19, 13770260), (20, 13081747), (28, 9344105), (35, 7475284), (38, 6885130), (41, 6381340), (70, 3737642), (76, 3442565), (82, 3190670), (95, 2754052), (133, 1967180), (140, 1868821), (164, 1595335), (190, 1377026), (205, 1276268), (266, 983590), (287, 911620), (380, 688513), (410, 638134), (532, 491795), (574, 455810), (665, 393436), (779, 335860), (820, 319067), (1148, 227905), (1330, 196718), (1435, 182324), (1558, 167930), (2399, 109060), (2660, 98359), (2870, 91162), (3116, 83965), (3895, 67172), (4798, 54530), (5453, 47980), (5740, 45581), (7790, 33586), (9596, 27265), (10906, 23990), (11995, 21812), (15580, 16793)]