217417900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{44371}}^1$

素因数の和:44399

約数の個数: 54

約数和(自身を含む): 548837268

約数和(自身を除く): 331419368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 44371, 88742, 177484, 221855, 310597, 443710, 621194, 887420, 1109275, 1242388, 1552985, 2174179, 2218550, 3105970, 4348358, 4437100, 6211940, 7764925, 8696716, 10870895, 15529850, 21741790, 31059700, 43483580, 54354475, 108708950, 217417900]

約数ペア:

[(1, 217417900), (2, 108708950), (4, 54354475), (5, 43483580), (7, 31059700), (10, 21741790), (14, 15529850), (20, 10870895), (25, 8696716), (28, 7764925), (35, 6211940), (49, 4437100), (50, 4348358), (70, 3105970), (98, 2218550), (100, 2174179), (140, 1552985), (175, 1242388), (196, 1109275), (245, 887420), (350, 621194), (490, 443710), (700, 310597), (980, 221855), (1225, 177484), (2450, 88742), (4900, 44371)]