2620150

素因数分解:

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

素因数の和:193

約数の個数: 48

約数和(自身を含む): 5468400

約数和(自身を除く): 2848250

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 139, 145, 278, 290, 325, 377, 650, 695, 725, 754, 1390, 1450, 1807, 1885, 3475, 3614, 3770, 4031, 6950, 8062, 9035, 9425, 18070, 18850, 20155, 40310, 45175, 52403, 90350, 100775, 104806, 201550, 262015, 524030, 1310075, 2620150]

約数ペア:

[(1, 2620150), (2, 1310075), (5, 524030), (10, 262015), (13, 201550), (25, 104806), (26, 100775), (29, 90350), (50, 52403), (58, 45175), (65, 40310), (130, 20155), (139, 18850), (145, 18070), (278, 9425), (290, 9035), (325, 8062), (377, 6950), (650, 4031), (695, 3770), (725, 3614), (754, 3475), (1390, 1885), (1450, 1807)]