145719400

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1873}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 339849900

約数和(自身を除く): 194130500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1556, 1873, 1945, 3112, 3746, 3890, 7492, 7780, 9365, 9725, 14984, 15560, 18730, 19450, 37460, 38900, 46825, 74920, 77800, 93650, 187300, 374600, 728597, 1457194, 2914388, 3642985, 5828776, 7285970, 14571940, 18214925, 29143880, 36429850, 72859700, 145719400]

約数ペア:

[(1, 145719400), (2, 72859700), (4, 36429850), (5, 29143880), (8, 18214925), (10, 14571940), (20, 7285970), (25, 5828776), (40, 3642985), (50, 2914388), (100, 1457194), (200, 728597), (389, 374600), (778, 187300), (1556, 93650), (1873, 77800), (1945, 74920), (3112, 46825), (3746, 38900), (3890, 37460), (7492, 19450), (7780, 18730), (9365, 15560), (9725, 14984)]