201957980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3347}}^1$

素因数の和:3794

約数の個数: 48

約数和(自身を含む): 485968896

約数和(自身を除く): 284010916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 3347, 4310, 6034, 6694, 8620, 12068, 13388, 15085, 16735, 23429, 30170, 33470, 46858, 60340, 66940, 93716, 117145, 234290, 468580, 1442557, 2885114, 5770228, 7212785, 10097899, 14425570, 20195798, 28851140, 40391596, 50489495, 100978990, 201957980]

約数ペア:

[(1, 201957980), (2, 100978990), (4, 50489495), (5, 40391596), (7, 28851140), (10, 20195798), (14, 14425570), (20, 10097899), (28, 7212785), (35, 5770228), (70, 2885114), (140, 1442557), (431, 468580), (862, 234290), (1724, 117145), (2155, 93716), (3017, 66940), (3347, 60340), (4310, 46858), (6034, 33470), (6694, 30170), (8620, 23429), (12068, 16735), (13388, 15085)]