138514220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2389}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 314791680

約数和(自身を除く): 176277460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2389, 2899, 4460, 4778, 5798, 9556, 11596, 11945, 14495, 23890, 28990, 31057, 47780, 57980, 62114, 124228, 155285, 310570, 532747, 621140, 1065494, 2130988, 2663735, 5327470, 6925711, 10654940, 13851422, 27702844, 34628555, 69257110, 138514220]

約数ペア:

[(1, 138514220), (2, 69257110), (4, 34628555), (5, 27702844), (10, 13851422), (13, 10654940), (20, 6925711), (26, 5327470), (52, 2663735), (65, 2130988), (130, 1065494), (223, 621140), (260, 532747), (446, 310570), (892, 155285), (1115, 124228), (2230, 62114), (2389, 57980), (2899, 47780), (4460, 31057), (4778, 28990), (5798, 23890), (9556, 14495), (11596, 11945)]