2012181380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149939}}^1$

素因数の和:150020

約数の個数: 48

約数和(自身を含む): 4685325120

約数和(自身を除く): 2673143740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 149939, 299878, 599756, 749695, 1499390, 1649329, 2998780, 3298658, 6597316, 8246645, 9146279, 16493290, 18292558, 32986580, 36585116, 45731395, 91462790, 100609069, 182925580, 201218138, 402436276, 503045345, 1006090690, 2012181380]

約数ペア:

[(1, 2012181380), (2, 1006090690), (4, 503045345), (5, 402436276), (10, 201218138), (11, 182925580), (20, 100609069), (22, 91462790), (44, 45731395), (55, 36585116), (61, 32986580), (110, 18292558), (122, 16493290), (220, 9146279), (244, 8246645), (305, 6597316), (610, 3298658), (671, 2998780), (1220, 1649329), (1342, 1499390), (2684, 749695), (3355, 599756), (6710, 299878), (13420, 149939)]