8197700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 72

約数和(自身を含む): 20832000

約数和(自身を除く): 12634300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 239, 245, 343, 350, 478, 490, 686, 700, 956, 980, 1195, 1225, 1372, 1673, 1715, 2390, 2450, 3346, 3430, 4780, 4900, 5975, 6692, 6860, 8365, 8575, 11711, 11950, 16730, 17150, 23422, 23900, 33460, 34300, 41825, 46844, 58555, 81977, 83650, 117110, 163954, 167300, 234220, 292775, 327908, 409885, 585550, 819770, 1171100, 1639540, 2049425, 4098850, 8197700]

約数ペア:

[(1, 8197700), (2, 4098850), (4, 2049425), (5, 1639540), (7, 1171100), (10, 819770), (14, 585550), (20, 409885), (25, 327908), (28, 292775), (35, 234220), (49, 167300), (50, 163954), (70, 117110), (98, 83650), (100, 81977), (140, 58555), (175, 46844), (196, 41825), (239, 34300), (245, 33460), (343, 23900), (350, 23422), (478, 17150), (490, 16730), (686, 11950), (700, 11711), (956, 8575), (980, 8365), (1195, 6860), (1225, 6692), (1372, 5975), (1673, 4900), (1715, 4780), (2390, 3430), (2450, 3346)]