401077684

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 841279488

約数和(自身を除く): 440201804

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 127, 172, 244, 254, 301, 427, 508, 602, 854, 889, 1204, 1708, 1778, 1849, 2623, 3556, 3698, 5246, 5461, 7396, 7747, 10492, 10922, 12943, 15494, 18361, 21844, 25886, 30988, 36722, 38227, 51772, 54229, 73444, 76454, 108458, 112789, 152908, 216916, 225578, 234823, 333121, 451156, 469646, 666242, 789523, 939292, 1332484, 1579046, 1643761, 2331847, 3158092, 3287522, 4663694, 6575044, 9327388, 14324203, 28648406, 57296812, 100269421, 200538842, 401077684]

約数ペア:

[(1, 401077684), (2, 200538842), (4, 100269421), (7, 57296812), (14, 28648406), (28, 14324203), (43, 9327388), (61, 6575044), (86, 4663694), (122, 3287522), (127, 3158092), (172, 2331847), (244, 1643761), (254, 1579046), (301, 1332484), (427, 939292), (508, 789523), (602, 666242), (854, 469646), (889, 451156), (1204, 333121), (1708, 234823), (1778, 225578), (1849, 216916), (2623, 152908), (3556, 112789), (3698, 108458), (5246, 76454), (5461, 73444), (7396, 54229), (7747, 51772), (10492, 38227), (10922, 36722), (12943, 30988), (15494, 25886), (18361, 21844)]