28541800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 84816000

約数和(自身を除く): 56274200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 29, 35, 37, 38, 40, 50, 56, 58, 70, 74, 76, 95, 100, 116, 133, 140, 145, 148, 152, 175, 185, 190, 200, 203, 232, 259, 266, 280, 290, 296, 350, 370, 380, 406, 475, 518, 532, 551, 580, 665, 700, 703, 725, 740, 760, 812, 925, 950, 1015, 1036, 1064, 1073, 1102, 1160, 1295, 1330, 1400, 1406, 1450, 1480, 1624, 1850, 1900, 2030, 2072, 2146, 2204, 2590, 2660, 2755, 2812, 2900, 3325, 3515, 3700, 3800, 3857, 4060, 4292, 4408, 4921, 5075, 5180, 5320, 5365, 5510, 5624, 5800, 6475, 6650, 7030, 7400, 7511, 7714, 8120, 8584, 9842, 10150, 10360, 10730, 11020, 12950, 13300, 13775, 14060, 15022, 15428, 17575, 19285, 19684, 20300, 20387, 21460, 22040, 24605, 25900, 26600, 26825, 27550, 28120, 30044, 30856, 35150, 37555, 38570, 39368, 40600, 40774, 42920, 49210, 51800, 53650, 55100, 60088, 70300, 75110, 77140, 81548, 96425, 98420, 101935, 107300, 110200, 123025, 140600, 142709, 150220, 154280, 163096, 187775, 192850, 196840, 203870, 214600, 246050, 285418, 300440, 375550, 385700, 407740, 492100, 509675, 570836, 713545, 751100, 771400, 815480, 984200, 1019350, 1141672, 1427090, 1502200, 2038700, 2854180, 3567725, 4077400, 5708360, 7135450, 14270900, 28541800]

約数ペア:

[(1, 28541800), (2, 14270900), (4, 7135450), (5, 5708360), (7, 4077400), (8, 3567725), (10, 2854180), (14, 2038700), (19, 1502200), (20, 1427090), (25, 1141672), (28, 1019350), (29, 984200), (35, 815480), (37, 771400), (38, 751100), (40, 713545), (50, 570836), (56, 509675), (58, 492100), (70, 407740), (74, 385700), (76, 375550), (95, 300440), (100, 285418), (116, 246050), (133, 214600), (140, 203870), (145, 196840), (148, 192850), (152, 187775), (175, 163096), (185, 154280), (190, 150220), (200, 142709), (203, 140600), (232, 123025), (259, 110200), (266, 107300), (280, 101935), (290, 98420), (296, 96425), (350, 81548), (370, 77140), (380, 75110), (406, 70300), (475, 60088), (518, 55100), (532, 53650), (551, 51800), (580, 49210), (665, 42920), (700, 40774), (703, 40600), (725, 39368), (740, 38570), (760, 37555), (812, 35150), (925, 30856), (950, 30044), (1015, 28120), (1036, 27550), (1064, 26825), (1073, 26600), (1102, 25900), (1160, 24605), (1295, 22040), (1330, 21460), (1400, 20387), (1406, 20300), (1450, 19684), (1480, 19285), (1624, 17575), (1850, 15428), (1900, 15022), (2030, 14060), (2072, 13775), (2146, 13300), (2204, 12950), (2590, 11020), (2660, 10730), (2755, 10360), (2812, 10150), (2900, 9842), (3325, 8584), (3515, 8120), (3700, 7714), (3800, 7511), (3857, 7400), (4060, 7030), (4292, 6650), (4408, 6475), (4921, 5800), (5075, 5624), (5180, 5510), (5320, 5365)]