1441000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 3706560

約数和(自身を除く): 2265560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 131, 200, 220, 250, 262, 275, 440, 500, 524, 550, 655, 1000, 1048, 1100, 1310, 1375, 1441, 2200, 2620, 2750, 2882, 3275, 5240, 5500, 5764, 6550, 7205, 11000, 11528, 13100, 14410, 16375, 26200, 28820, 32750, 36025, 57640, 65500, 72050, 131000, 144100, 180125, 288200, 360250, 720500, 1441000]

約数ペア:

[(1, 1441000), (2, 720500), (4, 360250), (5, 288200), (8, 180125), (10, 144100), (11, 131000), (20, 72050), (22, 65500), (25, 57640), (40, 36025), (44, 32750), (50, 28820), (55, 26200), (88, 16375), (100, 14410), (110, 13100), (125, 11528), (131, 11000), (200, 7205), (220, 6550), (250, 5764), (262, 5500), (275, 5240), (440, 3275), (500, 2882), (524, 2750), (550, 2620), (655, 2200), (1000, 1441), (1048, 1375), (1100, 1310)]