51665750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 103896000

約数和(自身を除く): 52230250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 73, 95, 125, 146, 149, 190, 250, 298, 365, 475, 730, 745, 950, 1387, 1490, 1825, 2375, 2774, 2831, 3650, 3725, 4750, 5662, 6935, 7450, 9125, 10877, 13870, 14155, 18250, 18625, 21754, 28310, 34675, 37250, 54385, 69350, 70775, 108770, 141550, 173375, 206663, 271925, 346750, 353875, 413326, 543850, 707750, 1033315, 1359625, 2066630, 2719250, 5166575, 10333150, 25832875, 51665750]

約数ペア:

[(1, 51665750), (2, 25832875), (5, 10333150), (10, 5166575), (19, 2719250), (25, 2066630), (38, 1359625), (50, 1033315), (73, 707750), (95, 543850), (125, 413326), (146, 353875), (149, 346750), (190, 271925), (250, 206663), (298, 173375), (365, 141550), (475, 108770), (730, 70775), (745, 69350), (950, 54385), (1387, 37250), (1490, 34675), (1825, 28310), (2375, 21754), (2774, 18625), (2831, 18250), (3650, 14155), (3725, 13870), (4750, 10877), (5662, 9125), (6935, 7450)]