13892140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 30310560

約数和(自身を除く): 16418420

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 193, 236, 244, 295, 305, 386, 590, 610, 772, 965, 1180, 1220, 1930, 3599, 3860, 7198, 11387, 11773, 14396, 17995, 22774, 23546, 35990, 45548, 47092, 56935, 58865, 71980, 113870, 117730, 227740, 235460, 694607, 1389214, 2778428, 3473035, 6946070, 13892140]

約数ペア:

[(1, 13892140), (2, 6946070), (4, 3473035), (5, 2778428), (10, 1389214), (20, 694607), (59, 235460), (61, 227740), (118, 117730), (122, 113870), (193, 71980), (236, 58865), (244, 56935), (295, 47092), (305, 45548), (386, 35990), (590, 23546), (610, 22774), (772, 17995), (965, 14396), (1180, 11773), (1220, 11387), (1930, 7198), (3599, 3860)]