2970500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 7001904

約数和(自身を除く): 4031404

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 457, 500, 650, 914, 1300, 1625, 1828, 2285, 3250, 4570, 5941, 6500, 9140, 11425, 11882, 22850, 23764, 29705, 45700, 57125, 59410, 114250, 118820, 148525, 228500, 297050, 594100, 742625, 1485250, 2970500]

約数ペア:

[(1, 2970500), (2, 1485250), (4, 742625), (5, 594100), (10, 297050), (13, 228500), (20, 148525), (25, 118820), (26, 114250), (50, 59410), (52, 57125), (65, 45700), (100, 29705), (125, 23764), (130, 22850), (250, 11882), (260, 11425), (325, 9140), (457, 6500), (500, 5941), (650, 4570), (914, 3250), (1300, 2285), (1625, 1828)]