18147500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 48809376

約数和(自身を除く): 30661876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 61, 68, 70, 85, 100, 119, 122, 125, 140, 170, 175, 238, 244, 250, 305, 340, 350, 425, 427, 476, 500, 595, 610, 625, 700, 850, 854, 875, 1037, 1190, 1220, 1250, 1525, 1700, 1708, 1750, 2074, 2125, 2135, 2380, 2500, 2975, 3050, 3500, 4148, 4250, 4270, 4375, 5185, 5950, 6100, 7259, 7625, 8500, 8540, 8750, 10370, 10625, 10675, 11900, 14518, 14875, 15250, 17500, 20740, 21250, 21350, 25925, 29036, 29750, 30500, 36295, 38125, 42500, 42700, 51850, 53375, 59500, 72590, 74375, 76250, 103700, 106750, 129625, 145180, 148750, 152500, 181475, 213500, 259250, 266875, 297500, 362950, 518500, 533750, 648125, 725900, 907375, 1067500, 1296250, 1814750, 2592500, 3629500, 4536875, 9073750, 18147500]

約数ペア:

[(1, 18147500), (2, 9073750), (4, 4536875), (5, 3629500), (7, 2592500), (10, 1814750), (14, 1296250), (17, 1067500), (20, 907375), (25, 725900), (28, 648125), (34, 533750), (35, 518500), (50, 362950), (61, 297500), (68, 266875), (70, 259250), (85, 213500), (100, 181475), (119, 152500), (122, 148750), (125, 145180), (140, 129625), (170, 106750), (175, 103700), (238, 76250), (244, 74375), (250, 72590), (305, 59500), (340, 53375), (350, 51850), (425, 42700), (427, 42500), (476, 38125), (500, 36295), (595, 30500), (610, 29750), (625, 29036), (700, 25925), (850, 21350), (854, 21250), (875, 20740), (1037, 17500), (1190, 15250), (1220, 14875), (1250, 14518), (1525, 11900), (1700, 10675), (1708, 10625), (1750, 10370), (2074, 8750), (2125, 8540), (2135, 8500), (2380, 7625), (2500, 7259), (2975, 6100), (3050, 5950), (3500, 5185), (4148, 4375), (4250, 4270)]