140215972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 280436800

約数和(自身を除く): 140220828

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 494, 556, 988, 1021, 1807, 2042, 2641, 3614, 4084, 5282, 7228, 10564, 13273, 19399, 26546, 34333, 38798, 53092, 68666, 77596, 137332, 141919, 252187, 283838, 504374, 567676, 1008748, 1844947, 2696461, 3689894, 5392922, 7379788, 10785844, 35053993, 70107986, 140215972]

約数ペア:

[(1, 140215972), (2, 70107986), (4, 35053993), (13, 10785844), (19, 7379788), (26, 5392922), (38, 3689894), (52, 2696461), (76, 1844947), (139, 1008748), (247, 567676), (278, 504374), (494, 283838), (556, 252187), (988, 141919), (1021, 137332), (1807, 77596), (2042, 68666), (2641, 53092), (3614, 38798), (4084, 34333), (5282, 26546), (7228, 19399), (10564, 13273)]