40338990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{857}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 105204528

約数和(自身を除く): 64865538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 523, 857, 1046, 1569, 1714, 2571, 2615, 3138, 4285, 4707, 5142, 5230, 7713, 7845, 8570, 9414, 12855, 15426, 15690, 23535, 25710, 38565, 47070, 77130, 448211, 896422, 1344633, 2241055, 2689266, 4033899, 4482110, 6723165, 8067798, 13446330, 20169495, 40338990]

約数ペア:

[(1, 40338990), (2, 20169495), (3, 13446330), (5, 8067798), (6, 6723165), (9, 4482110), (10, 4033899), (15, 2689266), (18, 2241055), (30, 1344633), (45, 896422), (90, 448211), (523, 77130), (857, 47070), (1046, 38565), (1569, 25710), (1714, 23535), (2571, 15690), (2615, 15426), (3138, 12855), (4285, 9414), (4707, 8570), (5142, 7845), (5230, 7713)]