389770864

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1213}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 915258880

約数和(自身を除く): 525488016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 151, 152, 266, 302, 304, 532, 604, 1057, 1064, 1208, 1213, 2114, 2128, 2416, 2426, 2869, 4228, 4852, 5738, 8456, 8491, 9704, 11476, 16912, 16982, 19408, 20083, 22952, 23047, 33964, 40166, 45904, 46094, 67928, 80332, 92188, 135856, 160664, 161329, 183163, 184376, 321328, 322658, 366326, 368752, 645316, 732652, 1282141, 1290632, 1465304, 2564282, 2581264, 2930608, 3480097, 5128564, 6960194, 10257128, 13920388, 20514256, 24360679, 27840776, 48721358, 55681552, 97442716, 194885432, 389770864]

約数ペア:

[(1, 389770864), (2, 194885432), (4, 97442716), (7, 55681552), (8, 48721358), (14, 27840776), (16, 24360679), (19, 20514256), (28, 13920388), (38, 10257128), (56, 6960194), (76, 5128564), (112, 3480097), (133, 2930608), (151, 2581264), (152, 2564282), (266, 1465304), (302, 1290632), (304, 1282141), (532, 732652), (604, 645316), (1057, 368752), (1064, 366326), (1208, 322658), (1213, 321328), (2114, 184376), (2128, 183163), (2416, 161329), (2426, 160664), (2869, 135856), (4228, 92188), (4852, 80332), (5738, 67928), (8456, 46094), (8491, 45904), (9704, 40166), (11476, 33964), (16912, 23047), (16982, 22952), (19408, 20083)]