38972500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 103916736

約数和(自身を除く): 64944236

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 131, 140, 170, 175, 238, 250, 262, 340, 350, 425, 476, 500, 524, 595, 625, 655, 700, 850, 875, 917, 1190, 1250, 1310, 1700, 1750, 1834, 2125, 2227, 2380, 2500, 2620, 2975, 3275, 3500, 3668, 4250, 4375, 4454, 4585, 5950, 6550, 8500, 8750, 8908, 9170, 10625, 11135, 11900, 13100, 14875, 15589, 16375, 17500, 18340, 21250, 22270, 22925, 29750, 31178, 32750, 42500, 44540, 45850, 55675, 59500, 62356, 65500, 74375, 77945, 81875, 91700, 111350, 114625, 148750, 155890, 163750, 222700, 229250, 278375, 297500, 311780, 327500, 389725, 458500, 556750, 573125, 779450, 1113500, 1146250, 1391875, 1558900, 1948625, 2292500, 2783750, 3897250, 5567500, 7794500, 9743125, 19486250, 38972500]

約数ペア:

[(1, 38972500), (2, 19486250), (4, 9743125), (5, 7794500), (7, 5567500), (10, 3897250), (14, 2783750), (17, 2292500), (20, 1948625), (25, 1558900), (28, 1391875), (34, 1146250), (35, 1113500), (50, 779450), (68, 573125), (70, 556750), (85, 458500), (100, 389725), (119, 327500), (125, 311780), (131, 297500), (140, 278375), (170, 229250), (175, 222700), (238, 163750), (250, 155890), (262, 148750), (340, 114625), (350, 111350), (425, 91700), (476, 81875), (500, 77945), (524, 74375), (595, 65500), (625, 62356), (655, 59500), (700, 55675), (850, 45850), (875, 44540), (917, 42500), (1190, 32750), (1250, 31178), (1310, 29750), (1700, 22925), (1750, 22270), (1834, 21250), (2125, 18340), (2227, 17500), (2380, 16375), (2500, 15589), (2620, 14875), (2975, 13100), (3275, 11900), (3500, 11135), (3668, 10625), (4250, 9170), (4375, 8908), (4454, 8750), (4585, 8500), (5950, 6550)]