82857500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 207833472

約数和(自身を除く): 124975972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 125, 131, 220, 230, 250, 253, 262, 275, 460, 500, 506, 524, 550, 575, 625, 655, 1012, 1100, 1150, 1250, 1265, 1310, 1375, 1441, 2300, 2500, 2530, 2620, 2750, 2875, 2882, 3013, 3275, 5060, 5500, 5750, 5764, 6026, 6325, 6550, 6875, 7205, 11500, 12052, 12650, 13100, 13750, 14375, 14410, 15065, 16375, 25300, 27500, 28750, 28820, 30130, 31625, 32750, 33143, 36025, 57500, 60260, 63250, 65500, 66286, 72050, 75325, 81875, 126500, 132572, 144100, 150650, 158125, 163750, 165715, 180125, 301300, 316250, 327500, 331430, 360250, 376625, 632500, 662860, 720500, 753250, 828575, 900625, 1506500, 1657150, 1801250, 1883125, 3314300, 3602500, 3766250, 4142875, 7532500, 8285750, 16571500, 20714375, 41428750, 82857500]

約数ペア:

[(1, 82857500), (2, 41428750), (4, 20714375), (5, 16571500), (10, 8285750), (11, 7532500), (20, 4142875), (22, 3766250), (23, 3602500), (25, 3314300), (44, 1883125), (46, 1801250), (50, 1657150), (55, 1506500), (92, 900625), (100, 828575), (110, 753250), (115, 720500), (125, 662860), (131, 632500), (220, 376625), (230, 360250), (250, 331430), (253, 327500), (262, 316250), (275, 301300), (460, 180125), (500, 165715), (506, 163750), (524, 158125), (550, 150650), (575, 144100), (625, 132572), (655, 126500), (1012, 81875), (1100, 75325), (1150, 72050), (1250, 66286), (1265, 65500), (1310, 63250), (1375, 60260), (1441, 57500), (2300, 36025), (2500, 33143), (2530, 32750), (2620, 31625), (2750, 30130), (2875, 28820), (2882, 28750), (3013, 27500), (3275, 25300), (5060, 16375), (5500, 15065), (5750, 14410), (5764, 14375), (6026, 13750), (6325, 13100), (6550, 12650), (6875, 12052), (7205, 11500)]