2489370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 6482592

約数和(自身を除く): 3993222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 491, 507, 845, 982, 1014, 1473, 1690, 2455, 2535, 2946, 4910, 5070, 6383, 7365, 12766, 14730, 19149, 31915, 38298, 63830, 82979, 95745, 165958, 191490, 248937, 414895, 497874, 829790, 1244685, 2489370]

約数ペア:

[(1, 2489370), (2, 1244685), (3, 829790), (5, 497874), (6, 414895), (10, 248937), (13, 191490), (15, 165958), (26, 95745), (30, 82979), (39, 63830), (65, 38298), (78, 31915), (130, 19149), (169, 14730), (195, 12766), (338, 7365), (390, 6383), (491, 5070), (507, 4910), (845, 2946), (982, 2535), (1014, 2455), (1473, 1690)]