2980250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 6918912

約数和(自身を除く): 3938662

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 131, 175, 182, 250, 262, 325, 350, 455, 650, 655, 875, 910, 917, 1310, 1625, 1703, 1750, 1834, 2275, 3250, 3275, 3406, 4550, 4585, 6550, 8515, 9170, 11375, 11921, 16375, 17030, 22750, 22925, 23842, 32750, 42575, 45850, 59605, 85150, 114625, 119210, 212875, 229250, 298025, 425750, 596050, 1490125, 2980250]

約数ペア:

[(1, 2980250), (2, 1490125), (5, 596050), (7, 425750), (10, 298025), (13, 229250), (14, 212875), (25, 119210), (26, 114625), (35, 85150), (50, 59605), (65, 45850), (70, 42575), (91, 32750), (125, 23842), (130, 22925), (131, 22750), (175, 17030), (182, 16375), (250, 11921), (262, 11375), (325, 9170), (350, 8515), (455, 6550), (650, 4585), (655, 4550), (875, 3406), (910, 3275), (917, 3250), (1310, 2275), (1625, 1834), (1703, 1750)]