391843870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2641

約数の個数: 64

約数和(自身を含む): 816376320

約数和(自身を除く): 424532450

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 61, 110, 115, 122, 230, 253, 305, 506, 610, 671, 1265, 1342, 1403, 2530, 2539, 2806, 3355, 5078, 6710, 7015, 12695, 14030, 15433, 25390, 27929, 30866, 55858, 58397, 77165, 116794, 139645, 154330, 154879, 279290, 291985, 309758, 583970, 642367, 774395, 1284734, 1548790, 1703669, 3211835, 3407338, 3562217, 6423670, 7124434, 8518345, 17036690, 17811085, 35622170, 39184387, 78368774, 195921935, 391843870]

約数ペア:

[(1, 391843870), (2, 195921935), (5, 78368774), (10, 39184387), (11, 35622170), (22, 17811085), (23, 17036690), (46, 8518345), (55, 7124434), (61, 6423670), (110, 3562217), (115, 3407338), (122, 3211835), (230, 1703669), (253, 1548790), (305, 1284734), (506, 774395), (610, 642367), (671, 583970), (1265, 309758), (1342, 291985), (1403, 279290), (2530, 154879), (2539, 154330), (2806, 139645), (3355, 116794), (5078, 77165), (6710, 58397), (7015, 55858), (12695, 30866), (14030, 27929), (15433, 25390)]