397807750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 793540800

約数和(自身を除く): 395733050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 125, 178, 190, 250, 445, 475, 890, 941, 950, 1691, 1882, 2225, 2375, 3382, 4450, 4705, 4750, 8455, 9410, 11125, 16910, 17879, 22250, 23525, 35758, 42275, 47050, 83749, 84550, 89395, 117625, 167498, 178790, 211375, 235250, 418745, 422750, 446975, 837490, 893950, 1591231, 2093725, 2234875, 3182462, 4187450, 4469750, 7956155, 10468625, 15912310, 20937250, 39780775, 79561550, 198903875, 397807750]

約数ペア:

[(1, 397807750), (2, 198903875), (5, 79561550), (10, 39780775), (19, 20937250), (25, 15912310), (38, 10468625), (50, 7956155), (89, 4469750), (95, 4187450), (125, 3182462), (178, 2234875), (190, 2093725), (250, 1591231), (445, 893950), (475, 837490), (890, 446975), (941, 422750), (950, 418745), (1691, 235250), (1882, 211375), (2225, 178790), (2375, 167498), (3382, 117625), (4450, 89395), (4705, 84550), (4750, 83749), (8455, 47050), (9410, 42275), (11125, 35758), (16910, 23525), (17879, 22250)]