19932500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 53532864

約数和(自身を除く): 33600364

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 67, 68, 70, 85, 100, 119, 125, 134, 140, 170, 175, 238, 250, 268, 335, 340, 350, 425, 469, 476, 500, 595, 625, 670, 700, 850, 875, 938, 1139, 1190, 1250, 1340, 1675, 1700, 1750, 1876, 2125, 2278, 2345, 2380, 2500, 2975, 3350, 3500, 4250, 4375, 4556, 4690, 5695, 5950, 6700, 7973, 8375, 8500, 8750, 9380, 10625, 11390, 11725, 11900, 14875, 15946, 16750, 17500, 21250, 22780, 23450, 28475, 29750, 31892, 33500, 39865, 41875, 42500, 46900, 56950, 58625, 59500, 74375, 79730, 83750, 113900, 117250, 142375, 148750, 159460, 167500, 199325, 234500, 284750, 293125, 297500, 398650, 569500, 586250, 711875, 797300, 996625, 1172500, 1423750, 1993250, 2847500, 3986500, 4983125, 9966250, 19932500]

約数ペア:

[(1, 19932500), (2, 9966250), (4, 4983125), (5, 3986500), (7, 2847500), (10, 1993250), (14, 1423750), (17, 1172500), (20, 996625), (25, 797300), (28, 711875), (34, 586250), (35, 569500), (50, 398650), (67, 297500), (68, 293125), (70, 284750), (85, 234500), (100, 199325), (119, 167500), (125, 159460), (134, 148750), (140, 142375), (170, 117250), (175, 113900), (238, 83750), (250, 79730), (268, 74375), (335, 59500), (340, 58625), (350, 56950), (425, 46900), (469, 42500), (476, 41875), (500, 39865), (595, 33500), (625, 31892), (670, 29750), (700, 28475), (850, 23450), (875, 22780), (938, 21250), (1139, 17500), (1190, 16750), (1250, 15946), (1340, 14875), (1675, 11900), (1700, 11725), (1750, 11390), (1876, 10625), (2125, 9380), (2278, 8750), (2345, 8500), (2380, 8375), (2500, 7973), (2975, 6700), (3350, 5950), (3500, 5695), (4250, 4690), (4375, 4556)]