988734780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499361}}^1$

素因数の和:499387

約数の個数: 72

約数和(自身を含む): 3271819824

約数和(自身を除く): 2283085044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 499361, 998722, 1498083, 1997444, 2496805, 2996166, 4494249, 4993610, 5492971, 5992332, 7490415, 8988498, 9987220, 10985942, 14980830, 16478913, 17976996, 21971884, 22471245, 27464855, 29961660, 32957826, 44942490, 49436739, 54929710, 65915652, 82394565, 89884980, 98873478, 109859420, 164789130, 197746956, 247183695, 329578260, 494367390, 988734780]

約数ペア:

[(1, 988734780), (2, 494367390), (3, 329578260), (4, 247183695), (5, 197746956), (6, 164789130), (9, 109859420), (10, 98873478), (11, 89884980), (12, 82394565), (15, 65915652), (18, 54929710), (20, 49436739), (22, 44942490), (30, 32957826), (33, 29961660), (36, 27464855), (44, 22471245), (45, 21971884), (55, 17976996), (60, 16478913), (66, 14980830), (90, 10985942), (99, 9987220), (110, 8988498), (132, 7490415), (165, 5992332), (180, 5492971), (198, 4993610), (220, 4494249), (330, 2996166), (396, 2496805), (495, 1997444), (660, 1498083), (990, 998722), (1980, 499361)]