61975900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 164989440

約数和(自身を除く): 103013540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 43, 50, 58, 70, 71, 86, 100, 116, 140, 142, 145, 172, 175, 203, 215, 284, 290, 301, 350, 355, 406, 430, 497, 580, 602, 700, 710, 725, 812, 860, 994, 1015, 1075, 1204, 1247, 1420, 1450, 1505, 1775, 1988, 2030, 2059, 2150, 2485, 2494, 2900, 3010, 3053, 3550, 4060, 4118, 4300, 4970, 4988, 5075, 6020, 6106, 6235, 7100, 7525, 8236, 8729, 9940, 10150, 10295, 12212, 12425, 12470, 14413, 15050, 15265, 17458, 20300, 20590, 21371, 24850, 24940, 28826, 30100, 30530, 31175, 34916, 41180, 42742, 43645, 49700, 51475, 57652, 61060, 62350, 72065, 76325, 85484, 87290, 88537, 102950, 106855, 124700, 144130, 152650, 174580, 177074, 205900, 213710, 218225, 288260, 305300, 354148, 360325, 427420, 436450, 442685, 534275, 619759, 720650, 872900, 885370, 1068550, 1239518, 1441300, 1770740, 2137100, 2213425, 2479036, 3098795, 4426850, 6197590, 8853700, 12395180, 15493975, 30987950, 61975900]

約数ペア:

[(1, 61975900), (2, 30987950), (4, 15493975), (5, 12395180), (7, 8853700), (10, 6197590), (14, 4426850), (20, 3098795), (25, 2479036), (28, 2213425), (29, 2137100), (35, 1770740), (43, 1441300), (50, 1239518), (58, 1068550), (70, 885370), (71, 872900), (86, 720650), (100, 619759), (116, 534275), (140, 442685), (142, 436450), (145, 427420), (172, 360325), (175, 354148), (203, 305300), (215, 288260), (284, 218225), (290, 213710), (301, 205900), (350, 177074), (355, 174580), (406, 152650), (430, 144130), (497, 124700), (580, 106855), (602, 102950), (700, 88537), (710, 87290), (725, 85484), (812, 76325), (860, 72065), (994, 62350), (1015, 61060), (1075, 57652), (1204, 51475), (1247, 49700), (1420, 43645), (1450, 42742), (1505, 41180), (1775, 34916), (1988, 31175), (2030, 30530), (2059, 30100), (2150, 28826), (2485, 24940), (2494, 24850), (2900, 21371), (3010, 20590), (3053, 20300), (3550, 17458), (4060, 15265), (4118, 15050), (4300, 14413), (4970, 12470), (4988, 12425), (5075, 12212), (6020, 10295), (6106, 10150), (6235, 9940), (7100, 8729), (7525, 8236)]