140789012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20400

約数の個数: 48

約数和(自身を含む): 319213440

約数和(自身を除く): 178424428

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 20357, 40714, 81428, 142499, 264641, 284998, 386783, 529282, 569996, 773566, 1058564, 1547132, 1852487, 2707481, 3704974, 5028179, 5414962, 7409948, 10056358, 10829924, 20112716, 35197253, 70394506, 140789012]

約数ペア:

[(1, 140789012), (2, 70394506), (4, 35197253), (7, 20112716), (13, 10829924), (14, 10056358), (19, 7409948), (26, 5414962), (28, 5028179), (38, 3704974), (52, 2707481), (76, 1852487), (91, 1547132), (133, 1058564), (182, 773566), (247, 569996), (266, 529282), (364, 386783), (494, 284998), (532, 264641), (988, 142499), (1729, 81428), (3458, 40714), (6916, 20357)]