31400000

素因数分解:

$2^6\times 5^5\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 84

約数和(自身を含む): 78377796

約数和(自身を除く): 46977796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 157, 160, 200, 250, 314, 320, 400, 500, 625, 628, 785, 800, 1000, 1250, 1256, 1570, 1600, 2000, 2500, 2512, 3125, 3140, 3925, 4000, 5000, 5024, 6250, 6280, 7850, 8000, 10000, 10048, 12500, 12560, 15700, 19625, 20000, 25000, 25120, 31400, 39250, 40000, 50000, 50240, 62800, 78500, 98125, 100000, 125600, 157000, 196250, 200000, 251200, 314000, 392500, 490625, 628000, 785000, 981250, 1256000, 1570000, 1962500, 3140000, 3925000, 6280000, 7850000, 15700000, 31400000]

約数ペア:

[(1, 31400000), (2, 15700000), (4, 7850000), (5, 6280000), (8, 3925000), (10, 3140000), (16, 1962500), (20, 1570000), (25, 1256000), (32, 981250), (40, 785000), (50, 628000), (64, 490625), (80, 392500), (100, 314000), (125, 251200), (157, 200000), (160, 196250), (200, 157000), (250, 125600), (314, 100000), (320, 98125), (400, 78500), (500, 62800), (625, 50240), (628, 50000), (785, 40000), (800, 39250), (1000, 31400), (1250, 25120), (1256, 25000), (1570, 20000), (1600, 19625), (2000, 15700), (2500, 12560), (2512, 12500), (3125, 10048), (3140, 10000), (3925, 8000), (4000, 7850), (5000, 6280), (5024, 6250)]