660958060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{9239}}^1$

素因数の和:9335

約数の個数: 72

約数和(自身を含む): 1636921440

約数和(自身を除く): 975963380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3577, 5110, 7154, 9239, 10220, 14308, 17885, 18478, 35770, 36956, 46195, 64673, 71540, 92390, 129346, 184780, 258692, 323365, 452711, 646730, 674447, 905422, 1293460, 1348894, 1810844, 2263555, 2697788, 3372235, 4527110, 4721129, 6744470, 9054220, 9442258, 13488940, 18884516, 23605645, 33047903, 47211290, 66095806, 94422580, 132191612, 165239515, 330479030, 660958060]

約数ペア:

[(1, 660958060), (2, 330479030), (4, 165239515), (5, 132191612), (7, 94422580), (10, 66095806), (14, 47211290), (20, 33047903), (28, 23605645), (35, 18884516), (49, 13488940), (70, 9442258), (73, 9054220), (98, 6744470), (140, 4721129), (146, 4527110), (196, 3372235), (245, 2697788), (292, 2263555), (365, 1810844), (490, 1348894), (511, 1293460), (730, 905422), (980, 674447), (1022, 646730), (1460, 452711), (2044, 323365), (2555, 258692), (3577, 184780), (5110, 129346), (7154, 92390), (9239, 71540), (10220, 64673), (14308, 46195), (17885, 36956), (18478, 35770)]