49258820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 118540800

約数和(自身を除く): 69281980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 47, 52, 58, 65, 94, 116, 130, 139, 145, 188, 235, 260, 278, 290, 377, 470, 556, 580, 611, 695, 754, 940, 1222, 1363, 1390, 1508, 1807, 1885, 2444, 2726, 2780, 3055, 3614, 3770, 4031, 5452, 6110, 6533, 6815, 7228, 7540, 8062, 9035, 12220, 13066, 13630, 16124, 17719, 18070, 20155, 26132, 27260, 32665, 35438, 36140, 40310, 52403, 65330, 70876, 80620, 84929, 88595, 104806, 130660, 169858, 177190, 189457, 209612, 262015, 339716, 354380, 378914, 424645, 524030, 757828, 849290, 947285, 1048060, 1698580, 1894570, 2462941, 3789140, 4925882, 9851764, 12314705, 24629410, 49258820]

約数ペア:

[(1, 49258820), (2, 24629410), (4, 12314705), (5, 9851764), (10, 4925882), (13, 3789140), (20, 2462941), (26, 1894570), (29, 1698580), (47, 1048060), (52, 947285), (58, 849290), (65, 757828), (94, 524030), (116, 424645), (130, 378914), (139, 354380), (145, 339716), (188, 262015), (235, 209612), (260, 189457), (278, 177190), (290, 169858), (377, 130660), (470, 104806), (556, 88595), (580, 84929), (611, 80620), (695, 70876), (754, 65330), (940, 52403), (1222, 40310), (1363, 36140), (1390, 35438), (1508, 32665), (1807, 27260), (1885, 26132), (2444, 20155), (2726, 18070), (2780, 17719), (3055, 16124), (3614, 13630), (3770, 13066), (4031, 12220), (5452, 9035), (6110, 8062), (6533, 7540), (6815, 7228)]