71247220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 167580000

約数和(自身を除く): 96332780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 236, 242, 295, 484, 499, 590, 605, 649, 998, 1180, 1210, 1298, 1996, 2420, 2495, 2596, 3245, 4990, 5489, 6490, 7139, 9980, 10978, 12980, 14278, 21956, 27445, 28556, 29441, 35695, 54890, 58882, 60379, 71390, 109780, 117764, 120758, 142780, 147205, 241516, 294410, 301895, 323851, 588820, 603790, 647702, 1207580, 1295404, 1619255, 3238510, 3562361, 6477020, 7124722, 14249444, 17811805, 35623610, 71247220]

約数ペア:

[(1, 71247220), (2, 35623610), (4, 17811805), (5, 14249444), (10, 7124722), (11, 6477020), (20, 3562361), (22, 3238510), (44, 1619255), (55, 1295404), (59, 1207580), (110, 647702), (118, 603790), (121, 588820), (220, 323851), (236, 301895), (242, 294410), (295, 241516), (484, 147205), (499, 142780), (590, 120758), (605, 117764), (649, 109780), (998, 71390), (1180, 60379), (1210, 58882), (1298, 54890), (1996, 35695), (2420, 29441), (2495, 28556), (2596, 27445), (3245, 21956), (4990, 14278), (5489, 12980), (6490, 10978), (7139, 9980)]