291400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 714240

約数和(自身を除く): 422840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 94, 100, 124, 155, 188, 200, 235, 248, 310, 376, 470, 620, 775, 940, 1175, 1240, 1457, 1550, 1880, 2350, 2914, 3100, 4700, 5828, 6200, 7285, 9400, 11656, 14570, 29140, 36425, 58280, 72850, 145700, 291400]

約数ペア:

[(1, 291400), (2, 145700), (4, 72850), (5, 58280), (8, 36425), (10, 29140), (20, 14570), (25, 11656), (31, 9400), (40, 7285), (47, 6200), (50, 5828), (62, 4700), (94, 3100), (100, 2914), (124, 2350), (155, 1880), (188, 1550), (200, 1457), (235, 1240), (248, 1175), (310, 940), (376, 775), (470, 620)]