25406500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 69464304

約数和(自身を除く): 44057804

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 61, 68, 70, 85, 98, 100, 119, 122, 125, 140, 170, 175, 196, 238, 244, 245, 250, 305, 340, 350, 425, 427, 476, 490, 500, 595, 610, 700, 833, 850, 854, 875, 980, 1037, 1190, 1220, 1225, 1525, 1666, 1700, 1708, 1750, 2074, 2125, 2135, 2380, 2450, 2975, 2989, 3050, 3332, 3500, 4148, 4165, 4250, 4270, 4900, 5185, 5950, 5978, 6100, 6125, 7259, 7625, 8330, 8500, 8540, 10370, 10675, 11900, 11956, 12250, 14518, 14875, 14945, 15250, 16660, 20740, 20825, 21350, 24500, 25925, 29036, 29750, 29890, 30500, 36295, 41650, 42700, 50813, 51850, 53375, 59500, 59780, 72590, 74725, 83300, 101626, 103700, 104125, 106750, 129625, 145180, 149450, 181475, 203252, 208250, 213500, 254065, 259250, 298900, 362950, 373625, 416500, 508130, 518500, 725900, 747250, 907375, 1016260, 1270325, 1494500, 1814750, 2540650, 3629500, 5081300, 6351625, 12703250, 25406500]

約数ペア:

[(1, 25406500), (2, 12703250), (4, 6351625), (5, 5081300), (7, 3629500), (10, 2540650), (14, 1814750), (17, 1494500), (20, 1270325), (25, 1016260), (28, 907375), (34, 747250), (35, 725900), (49, 518500), (50, 508130), (61, 416500), (68, 373625), (70, 362950), (85, 298900), (98, 259250), (100, 254065), (119, 213500), (122, 208250), (125, 203252), (140, 181475), (170, 149450), (175, 145180), (196, 129625), (238, 106750), (244, 104125), (245, 103700), (250, 101626), (305, 83300), (340, 74725), (350, 72590), (425, 59780), (427, 59500), (476, 53375), (490, 51850), (500, 50813), (595, 42700), (610, 41650), (700, 36295), (833, 30500), (850, 29890), (854, 29750), (875, 29036), (980, 25925), (1037, 24500), (1190, 21350), (1220, 20825), (1225, 20740), (1525, 16660), (1666, 15250), (1700, 14945), (1708, 14875), (1750, 14518), (2074, 12250), (2125, 11956), (2135, 11900), (2380, 10675), (2450, 10370), (2975, 8540), (2989, 8500), (3050, 8330), (3332, 7625), (3500, 7259), (4148, 6125), (4165, 6100), (4250, 5978), (4270, 5950), (4900, 5185)]