84649040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2220

約数の個数: 80

約数和(自身を含む): 228199680

約数和(自身を除く): 143550640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2129, 2485, 2840, 3976, 4258, 4970, 5680, 7952, 8516, 9940, 10645, 14903, 17032, 19880, 21290, 29806, 34064, 39760, 42580, 59612, 74515, 85160, 119224, 149030, 151159, 170320, 238448, 298060, 302318, 596120, 604636, 755795, 1058113, 1192240, 1209272, 1511590, 2116226, 2418544, 3023180, 4232452, 5290565, 6046360, 8464904, 10581130, 12092720, 16929808, 21162260, 42324520, 84649040]

約数ペア:

[(1, 84649040), (2, 42324520), (4, 21162260), (5, 16929808), (7, 12092720), (8, 10581130), (10, 8464904), (14, 6046360), (16, 5290565), (20, 4232452), (28, 3023180), (35, 2418544), (40, 2116226), (56, 1511590), (70, 1209272), (71, 1192240), (80, 1058113), (112, 755795), (140, 604636), (142, 596120), (280, 302318), (284, 298060), (355, 238448), (497, 170320), (560, 151159), (568, 149030), (710, 119224), (994, 85160), (1136, 74515), (1420, 59612), (1988, 42580), (2129, 39760), (2485, 34064), (2840, 29806), (3976, 21290), (4258, 19880), (4970, 17032), (5680, 14903), (7952, 10645), (8516, 9940)]