491837140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{5879}}^1$

素因数の和:6024

約数の個数: 48

約数和(自身を含む): 1066867200

約数和(自身を除く): 575030060

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 890, 940, 1780, 4183, 5879, 8366, 11758, 16732, 20915, 23516, 29395, 41830, 58790, 83660, 117580, 276313, 523231, 552626, 1046462, 1105252, 1381565, 2092924, 2616155, 2763130, 5232310, 5526260, 10464620, 24591857, 49183714, 98367428, 122959285, 245918570, 491837140]

約数ペア:

[(1, 491837140), (2, 245918570), (4, 122959285), (5, 98367428), (10, 49183714), (20, 24591857), (47, 10464620), (89, 5526260), (94, 5232310), (178, 2763130), (188, 2616155), (235, 2092924), (356, 1381565), (445, 1105252), (470, 1046462), (890, 552626), (940, 523231), (1780, 276313), (4183, 117580), (5879, 83660), (8366, 58790), (11758, 41830), (16732, 29395), (20915, 23516)]