641143600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2975

約数の個数: 120

約数和(自身を含む): 1677906000

約数和(自身を除く): 1036762400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 38, 40, 50, 58, 76, 80, 95, 100, 116, 145, 152, 190, 200, 232, 290, 304, 380, 400, 464, 475, 551, 580, 725, 760, 950, 1102, 1160, 1450, 1520, 1900, 2204, 2320, 2755, 2900, 2909, 3800, 4408, 5510, 5800, 5818, 7600, 8816, 11020, 11600, 11636, 13775, 14545, 22040, 23272, 27550, 29090, 44080, 46544, 55100, 55271, 58180, 72725, 84361, 110200, 110542, 116360, 145450, 168722, 220400, 221084, 232720, 276355, 290900, 337444, 421805, 442168, 552710, 581800, 674888, 843610, 884336, 1105420, 1163600, 1349776, 1381775, 1602859, 1687220, 2109025, 2210840, 2763550, 3205718, 3374440, 4218050, 4421680, 5527100, 6411436, 6748880, 8014295, 8436100, 11054200, 12822872, 16028590, 16872200, 22108400, 25645744, 32057180, 33744400, 40071475, 64114360, 80142950, 128228720, 160285900, 320571800, 641143600]

約数ペア:

[(1, 641143600), (2, 320571800), (4, 160285900), (5, 128228720), (8, 80142950), (10, 64114360), (16, 40071475), (19, 33744400), (20, 32057180), (25, 25645744), (29, 22108400), (38, 16872200), (40, 16028590), (50, 12822872), (58, 11054200), (76, 8436100), (80, 8014295), (95, 6748880), (100, 6411436), (116, 5527100), (145, 4421680), (152, 4218050), (190, 3374440), (200, 3205718), (232, 2763550), (290, 2210840), (304, 2109025), (380, 1687220), (400, 1602859), (464, 1381775), (475, 1349776), (551, 1163600), (580, 1105420), (725, 884336), (760, 843610), (950, 674888), (1102, 581800), (1160, 552710), (1450, 442168), (1520, 421805), (1900, 337444), (2204, 290900), (2320, 276355), (2755, 232720), (2900, 221084), (2909, 220400), (3800, 168722), (4408, 145450), (5510, 116360), (5800, 110542), (5818, 110200), (7600, 84361), (8816, 72725), (11020, 58180), (11600, 55271), (11636, 55100), (13775, 46544), (14545, 44080), (22040, 29090), (23272, 27550)]