380040980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{28319}}^1$

素因数の和:28400

約数の個数: 48

約数和(自身を含む): 884943360

約数和(自身を除く): 504902380

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, 28319, 56638, 113276, 141595, 283190, 311509, 566380, 623018, 1246036, 1557545, 1727459, 3115090, 3454918, 6230180, 6909836, 8637295, 17274590, 19002049, 34549180, 38004098, 76008196, 95010245, 190020490, 380040980]

約数ペア:

[(1, 380040980), (2, 190020490), (4, 95010245), (5, 76008196), (10, 38004098), (11, 34549180), (20, 19002049), (22, 17274590), (44, 8637295), (55, 6909836), (61, 6230180), (110, 3454918), (122, 3115090), (220, 1727459), (244, 1557545), (305, 1246036), (610, 623018), (671, 566380), (1220, 311509), (1342, 283190), (2684, 141595), (3355, 113276), (6710, 56638), (13420, 28319)]