642236700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{587}}^1$

素因数の和:1132

約数の個数: 144

約数和(自身を含む): 2131363584

約数和(自身を除く): 1489126884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 521, 525, 587, 700, 1042, 1050, 1174, 1563, 1761, 2084, 2100, 2348, 2605, 2935, 3126, 3522, 3647, 4109, 5210, 5870, 6252, 7044, 7294, 7815, 8218, 8805, 10420, 10941, 11740, 12327, 13025, 14588, 14675, 15630, 16436, 17610, 18235, 20545, 21882, 24654, 26050, 29350, 31260, 35220, 36470, 39075, 41090, 43764, 44025, 49308, 52100, 54705, 58700, 61635, 72940, 78150, 82180, 88050, 91175, 102725, 109410, 123270, 156300, 176100, 182350, 205450, 218820, 246540, 273525, 305827, 308175, 364700, 410900, 547050, 611654, 616350, 917481, 1094100, 1223308, 1232700, 1529135, 1834962, 2140789, 3058270, 3669924, 4281578, 4587405, 6116540, 6422367, 7645675, 8563156, 9174810, 10703945, 12844734, 15291350, 18349620, 21407890, 22937025, 25689468, 30582700, 32111835, 42815780, 45874050, 53519725, 64223670, 91748100, 107039450, 128447340, 160559175, 214078900, 321118350, 642236700]

約数ペア:

[(1, 642236700), (2, 321118350), (3, 214078900), (4, 160559175), (5, 128447340), (6, 107039450), (7, 91748100), (10, 64223670), (12, 53519725), (14, 45874050), (15, 42815780), (20, 32111835), (21, 30582700), (25, 25689468), (28, 22937025), (30, 21407890), (35, 18349620), (42, 15291350), (50, 12844734), (60, 10703945), (70, 9174810), (75, 8563156), (84, 7645675), (100, 6422367), (105, 6116540), (140, 4587405), (150, 4281578), (175, 3669924), (210, 3058270), (300, 2140789), (350, 1834962), (420, 1529135), (521, 1232700), (525, 1223308), (587, 1094100), (700, 917481), (1042, 616350), (1050, 611654), (1174, 547050), (1563, 410900), (1761, 364700), (2084, 308175), (2100, 305827), (2348, 273525), (2605, 246540), (2935, 218820), (3126, 205450), (3522, 182350), (3647, 176100), (4109, 156300), (5210, 123270), (5870, 109410), (6252, 102725), (7044, 91175), (7294, 88050), (7815, 82180), (8218, 78150), (8805, 72940), (10420, 61635), (10941, 58700), (11740, 54705), (12327, 52100), (13025, 49308), (14588, 44025), (14675, 43764), (15630, 41090), (16436, 39075), (17610, 36470), (18235, 35220), (20545, 31260), (21882, 29350), (24654, 26050)]