197243620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4909}}^1$

素因数の和:4973

約数の個数: 72

約数和(自身を含む): 493690680

約数和(自身を除く): 296447060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 4909, 5740, 8036, 9818, 10045, 19636, 20090, 24545, 34363, 40180, 49090, 68726, 98180, 137452, 171815, 201269, 240541, 343630, 402538, 481082, 687260, 805076, 962164, 1006345, 1202705, 1408883, 2012690, 2405410, 2817766, 4025380, 4810820, 5635532, 7044415, 9862181, 14088830, 19724362, 28177660, 39448724, 49310905, 98621810, 197243620]

約数ペア:

[(1, 197243620), (2, 98621810), (4, 49310905), (5, 39448724), (7, 28177660), (10, 19724362), (14, 14088830), (20, 9862181), (28, 7044415), (35, 5635532), (41, 4810820), (49, 4025380), (70, 2817766), (82, 2405410), (98, 2012690), (140, 1408883), (164, 1202705), (196, 1006345), (205, 962164), (245, 805076), (287, 687260), (410, 481082), (490, 402538), (574, 343630), (820, 240541), (980, 201269), (1148, 171815), (1435, 137452), (2009, 98180), (2870, 68726), (4018, 49090), (4909, 40180), (5740, 34363), (8036, 24545), (9818, 20090), (10045, 19636)]