1998330700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{2011}}^1$

素因数の和:2567

約数の個数: 72

約数和(自身を含む): 4575609920

約数和(自身を除く): 2577279220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 523, 950, 1046, 1900, 2011, 2092, 2615, 4022, 5230, 8044, 9937, 10055, 10460, 13075, 19874, 20110, 26150, 38209, 39748, 40220, 49685, 50275, 52300, 76418, 99370, 100550, 152836, 191045, 198740, 201100, 248425, 382090, 496850, 764180, 955225, 993700, 1051753, 1910450, 2103506, 3820900, 4207012, 5258765, 10517530, 19983307, 21035060, 26293825, 39966614, 52587650, 79933228, 99916535, 105175300, 199833070, 399666140, 499582675, 999165350, 1998330700]

約数ペア:

[(1, 1998330700), (2, 999165350), (4, 499582675), (5, 399666140), (10, 199833070), (19, 105175300), (20, 99916535), (25, 79933228), (38, 52587650), (50, 39966614), (76, 26293825), (95, 21035060), (100, 19983307), (190, 10517530), (380, 5258765), (475, 4207012), (523, 3820900), (950, 2103506), (1046, 1910450), (1900, 1051753), (2011, 993700), (2092, 955225), (2615, 764180), (4022, 496850), (5230, 382090), (8044, 248425), (9937, 201100), (10055, 198740), (10460, 191045), (13075, 152836), (19874, 100550), (20110, 99370), (26150, 76418), (38209, 52300), (39748, 50275), (40220, 49685)]