201561500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 144

約数和(自身を含む): 540277920

約数和(自身を除く): 338716420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 125, 133, 140, 175, 190, 196, 245, 250, 266, 350, 380, 433, 475, 490, 500, 532, 665, 700, 866, 875, 931, 950, 980, 1225, 1330, 1732, 1750, 1862, 1900, 2165, 2375, 2450, 2660, 3031, 3325, 3500, 3724, 4330, 4655, 4750, 4900, 6062, 6125, 6650, 8227, 8660, 9310, 9500, 10825, 12124, 12250, 13300, 15155, 16454, 16625, 18620, 21217, 21650, 23275, 24500, 30310, 32908, 33250, 41135, 42434, 43300, 46550, 54125, 57589, 60620, 66500, 75775, 82270, 84868, 93100, 106085, 108250, 115178, 116375, 151550, 164540, 205675, 212170, 216500, 230356, 232750, 287945, 303100, 378875, 403123, 411350, 424340, 465500, 530425, 575890, 757750, 806246, 822700, 1028375, 1060850, 1151780, 1439725, 1515500, 1612492, 2015615, 2056750, 2121700, 2652125, 2879450, 4031230, 4113500, 5304250, 5758900, 7198625, 8062460, 10078075, 10608500, 14397250, 20156150, 28794500, 40312300, 50390375, 100780750, 201561500]

約数ペア:

[(1, 201561500), (2, 100780750), (4, 50390375), (5, 40312300), (7, 28794500), (10, 20156150), (14, 14397250), (19, 10608500), (20, 10078075), (25, 8062460), (28, 7198625), (35, 5758900), (38, 5304250), (49, 4113500), (50, 4031230), (70, 2879450), (76, 2652125), (95, 2121700), (98, 2056750), (100, 2015615), (125, 1612492), (133, 1515500), (140, 1439725), (175, 1151780), (190, 1060850), (196, 1028375), (245, 822700), (250, 806246), (266, 757750), (350, 575890), (380, 530425), (433, 465500), (475, 424340), (490, 411350), (500, 403123), (532, 378875), (665, 303100), (700, 287945), (866, 232750), (875, 230356), (931, 216500), (950, 212170), (980, 205675), (1225, 164540), (1330, 151550), (1732, 116375), (1750, 115178), (1862, 108250), (1900, 106085), (2165, 93100), (2375, 84868), (2450, 82270), (2660, 75775), (3031, 66500), (3325, 60620), (3500, 57589), (3724, 54125), (4330, 46550), (4655, 43300), (4750, 42434), (4900, 41135), (6062, 33250), (6125, 32908), (6650, 30310), (8227, 24500), (8660, 23275), (9310, 21650), (9500, 21217), (10825, 18620), (12124, 16625), (12250, 16454), (13300, 15155)]