2445950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 5062176

約数和(自身を除く): 2616226

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 71, 106, 130, 142, 265, 325, 355, 530, 650, 689, 710, 923, 1325, 1378, 1775, 1846, 2650, 3445, 3550, 3763, 4615, 6890, 7526, 9230, 17225, 18815, 23075, 34450, 37630, 46150, 48919, 94075, 97838, 188150, 244595, 489190, 1222975, 2445950]

約数ペア:

[(1, 2445950), (2, 1222975), (5, 489190), (10, 244595), (13, 188150), (25, 97838), (26, 94075), (50, 48919), (53, 46150), (65, 37630), (71, 34450), (106, 23075), (130, 18815), (142, 17225), (265, 9230), (325, 7526), (355, 6890), (530, 4615), (650, 3763), (689, 3550), (710, 3445), (923, 2650), (1325, 1846), (1378, 1775)]