388521750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 1026514944

約数和(自身を除く): 637993194

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 101, 115, 125, 138, 150, 202, 223, 230, 250, 303, 345, 375, 446, 505, 575, 606, 669, 690, 750, 1010, 1115, 1150, 1338, 1515, 1725, 2230, 2323, 2525, 2875, 3030, 3345, 3450, 4646, 5050, 5129, 5575, 5750, 6690, 6969, 7575, 8625, 10258, 11150, 11615, 12625, 13938, 15150, 15387, 16725, 17250, 22523, 23230, 25250, 25645, 27875, 30774, 33450, 34845, 37875, 45046, 51290, 55750, 58075, 67569, 69690, 75750, 76935, 83625, 112615, 116150, 128225, 135138, 153870, 167250, 174225, 225230, 256450, 290375, 337845, 348450, 384675, 518029, 563075, 580750, 641125, 675690, 769350, 871125, 1036058, 1126150, 1282250, 1554087, 1689225, 1742250, 1923375, 2590145, 2815375, 3108174, 3378450, 3846750, 5180290, 5630750, 7770435, 8446125, 12950725, 15540870, 16892250, 25901450, 38852175, 64753625, 77704350, 129507250, 194260875, 388521750]

約数ペア:

[(1, 388521750), (2, 194260875), (3, 129507250), (5, 77704350), (6, 64753625), (10, 38852175), (15, 25901450), (23, 16892250), (25, 15540870), (30, 12950725), (46, 8446125), (50, 7770435), (69, 5630750), (75, 5180290), (101, 3846750), (115, 3378450), (125, 3108174), (138, 2815375), (150, 2590145), (202, 1923375), (223, 1742250), (230, 1689225), (250, 1554087), (303, 1282250), (345, 1126150), (375, 1036058), (446, 871125), (505, 769350), (575, 675690), (606, 641125), (669, 580750), (690, 563075), (750, 518029), (1010, 384675), (1115, 348450), (1150, 337845), (1338, 290375), (1515, 256450), (1725, 225230), (2230, 174225), (2323, 167250), (2525, 153870), (2875, 135138), (3030, 128225), (3345, 116150), (3450, 112615), (4646, 83625), (5050, 76935), (5129, 75750), (5575, 69690), (5750, 67569), (6690, 58075), (6969, 55750), (7575, 51290), (8625, 45046), (10258, 37875), (11150, 34845), (11615, 33450), (12625, 30774), (13938, 27875), (15150, 25645), (15387, 25250), (16725, 23230), (17250, 22523)]