4589188750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1211

約数の個数: 80

約数和(自身を含む): 9109584000

約数和(自身を除く): 4520395250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 199, 250, 398, 475, 625, 950, 971, 995, 1250, 1942, 1990, 2375, 3781, 4750, 4855, 4975, 7562, 9710, 9950, 11875, 18449, 18905, 23750, 24275, 24875, 36898, 37810, 48550, 49750, 92245, 94525, 121375, 124375, 184490, 189050, 193229, 242750, 248750, 386458, 461225, 472625, 606875, 922450, 945250, 966145, 1213750, 1932290, 2306125, 2363125, 3671351, 4612250, 4726250, 4830725, 7342702, 9661450, 11530625, 18356755, 23061250, 24153625, 36713510, 48307250, 91783775, 120768125, 183567550, 241536250, 458918875, 917837750, 2294594375, 4589188750]

約数ペア:

[(1, 4589188750), (2, 2294594375), (5, 917837750), (10, 458918875), (19, 241536250), (25, 183567550), (38, 120768125), (50, 91783775), (95, 48307250), (125, 36713510), (190, 24153625), (199, 23061250), (250, 18356755), (398, 11530625), (475, 9661450), (625, 7342702), (950, 4830725), (971, 4726250), (995, 4612250), (1250, 3671351), (1942, 2363125), (1990, 2306125), (2375, 1932290), (3781, 1213750), (4750, 966145), (4855, 945250), (4975, 922450), (7562, 606875), (9710, 472625), (9950, 461225), (11875, 386458), (18449, 248750), (18905, 242750), (23750, 193229), (24275, 189050), (24875, 184490), (36898, 124375), (37810, 121375), (48550, 94525), (49750, 92245)]