200420500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 504661248

約数和(自身を除く): 304240748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 173, 175, 250, 331, 346, 350, 500, 662, 692, 700, 865, 875, 1211, 1324, 1655, 1730, 1750, 2317, 2422, 3310, 3460, 3500, 4325, 4634, 4844, 6055, 6620, 8275, 8650, 9268, 11585, 12110, 16550, 17300, 21625, 23170, 24220, 30275, 33100, 41375, 43250, 46340, 57263, 57925, 60550, 82750, 86500, 114526, 115850, 121100, 151375, 165500, 229052, 231700, 286315, 289625, 302750, 400841, 572630, 579250, 605500, 801682, 1145260, 1158500, 1431575, 1603364, 2004205, 2863150, 4008410, 5726300, 7157875, 8016820, 10021025, 14315750, 20042050, 28631500, 40084100, 50105125, 100210250, 200420500]

約数ペア:

[(1, 200420500), (2, 100210250), (4, 50105125), (5, 40084100), (7, 28631500), (10, 20042050), (14, 14315750), (20, 10021025), (25, 8016820), (28, 7157875), (35, 5726300), (50, 4008410), (70, 2863150), (100, 2004205), (125, 1603364), (140, 1431575), (173, 1158500), (175, 1145260), (250, 801682), (331, 605500), (346, 579250), (350, 572630), (500, 400841), (662, 302750), (692, 289625), (700, 286315), (865, 231700), (875, 229052), (1211, 165500), (1324, 151375), (1655, 121100), (1730, 115850), (1750, 114526), (2317, 86500), (2422, 82750), (3310, 60550), (3460, 57925), (3500, 57263), (4325, 46340), (4634, 43250), (4844, 41375), (6055, 33100), (6620, 30275), (8275, 24220), (8650, 23170), (9268, 21625), (11585, 17300), (12110, 16550)]