99250000

素因数分解:

$2^4\times 5^6\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 70

約数和(自身を含む): 240973478

約数和(自身を除く): 141723478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 397, 400, 500, 625, 794, 1000, 1250, 1588, 1985, 2000, 2500, 3125, 3176, 3970, 5000, 6250, 6352, 7940, 9925, 10000, 12500, 15625, 15880, 19850, 25000, 31250, 31760, 39700, 49625, 50000, 62500, 79400, 99250, 125000, 158800, 198500, 248125, 250000, 397000, 496250, 794000, 992500, 1240625, 1985000, 2481250, 3970000, 4962500, 6203125, 9925000, 12406250, 19850000, 24812500, 49625000, 99250000]

約数ペア:

[(1, 99250000), (2, 49625000), (4, 24812500), (5, 19850000), (8, 12406250), (10, 9925000), (16, 6203125), (20, 4962500), (25, 3970000), (40, 2481250), (50, 1985000), (80, 1240625), (100, 992500), (125, 794000), (200, 496250), (250, 397000), (397, 250000), (400, 248125), (500, 198500), (625, 158800), (794, 125000), (1000, 99250), (1250, 79400), (1588, 62500), (1985, 50000), (2000, 49625), (2500, 39700), (3125, 31760), (3176, 31250), (3970, 25000), (5000, 19850), (6250, 15880), (6352, 15625), (7940, 12500), (9925, 10000)]