21959482750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{4703}}^1$

素因数の和:5722

約数の個数: 64

約数和(自身を含む): 43324968960

約数和(自身を除く): 21365486210

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 983, 1966, 2375, 4703, 4750, 4915, 9406, 9830, 18677, 23515, 24575, 37354, 47030, 49150, 89357, 93385, 117575, 122875, 178714, 186770, 235150, 245750, 446785, 466925, 587875, 893570, 933850, 1175750, 2233925, 2334625, 4467850, 4623049, 4669250, 9246098, 11169625, 22339250, 23115245, 46230490, 87837931, 115576225, 175675862, 231152450, 439189655, 577881125, 878379310, 1155762250, 2195948275, 4391896550, 10979741375, 21959482750]

約数ペア:

[(1, 21959482750), (2, 10979741375), (5, 4391896550), (10, 2195948275), (19, 1155762250), (25, 878379310), (38, 577881125), (50, 439189655), (95, 231152450), (125, 175675862), (190, 115576225), (250, 87837931), (475, 46230490), (950, 23115245), (983, 22339250), (1966, 11169625), (2375, 9246098), (4703, 4669250), (4750, 4623049), (4915, 4467850), (9406, 2334625), (9830, 2233925), (18677, 1175750), (23515, 933850), (24575, 893570), (37354, 587875), (47030, 466925), (49150, 446785), (89357, 245750), (93385, 235150), (117575, 186770), (122875, 178714)]