189900900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:771

約数の個数: 216

約数和(自身を含む): 697080384

約数和(自身を除く): 507179484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 43, 45, 50, 60, 63, 70, 75, 84, 86, 90, 100, 105, 126, 129, 140, 150, 172, 175, 180, 210, 215, 225, 252, 258, 300, 301, 315, 350, 387, 420, 430, 450, 516, 525, 602, 630, 645, 700, 701, 774, 860, 900, 903, 1050, 1075, 1204, 1260, 1290, 1402, 1505, 1548, 1575, 1806, 1935, 2100, 2103, 2150, 2580, 2709, 2804, 3010, 3150, 3225, 3505, 3612, 3870, 4206, 4300, 4515, 4907, 5418, 6020, 6300, 6309, 6450, 7010, 7525, 7740, 8412, 9030, 9675, 9814, 10515, 10836, 12618, 12900, 13545, 14020, 14721, 15050, 17525, 18060, 19350, 19628, 21030, 22575, 24535, 25236, 27090, 29442, 30100, 30143, 31545, 35050, 38700, 42060, 44163, 45150, 49070, 52575, 54180, 58884, 60286, 63090, 67725, 70100, 73605, 88326, 90300, 90429, 98140, 105150, 120572, 122675, 126180, 135450, 147210, 150715, 157725, 176652, 180858, 210300, 211001, 220815, 245350, 270900, 271287, 294420, 301430, 315450, 361716, 368025, 422002, 441630, 452145, 490700, 542574, 602860, 630900, 633003, 736050, 753575, 844004, 883260, 904290, 1055005, 1085148, 1104075, 1266006, 1356435, 1472100, 1507150, 1808580, 1899009, 2110010, 2208150, 2260725, 2532012, 2712870, 3014300, 3165015, 3798018, 4220020, 4416300, 4521450, 5275025, 5425740, 6330030, 6782175, 7596036, 9042900, 9495045, 10550050, 12660060, 13564350, 15825075, 18990090, 21100100, 27128700, 31650150, 37980180, 47475225, 63300300, 94950450, 189900900]

約数ペア:

[(1, 189900900), (2, 94950450), (3, 63300300), (4, 47475225), (5, 37980180), (6, 31650150), (7, 27128700), (9, 21100100), (10, 18990090), (12, 15825075), (14, 13564350), (15, 12660060), (18, 10550050), (20, 9495045), (21, 9042900), (25, 7596036), (28, 6782175), (30, 6330030), (35, 5425740), (36, 5275025), (42, 4521450), (43, 4416300), (45, 4220020), (50, 3798018), (60, 3165015), (63, 3014300), (70, 2712870), (75, 2532012), (84, 2260725), (86, 2208150), (90, 2110010), (100, 1899009), (105, 1808580), (126, 1507150), (129, 1472100), (140, 1356435), (150, 1266006), (172, 1104075), (175, 1085148), (180, 1055005), (210, 904290), (215, 883260), (225, 844004), (252, 753575), (258, 736050), (300, 633003), (301, 630900), (315, 602860), (350, 542574), (387, 490700), (420, 452145), (430, 441630), (450, 422002), (516, 368025), (525, 361716), (602, 315450), (630, 301430), (645, 294420), (700, 271287), (701, 270900), (774, 245350), (860, 220815), (900, 211001), (903, 210300), (1050, 180858), (1075, 176652), (1204, 157725), (1260, 150715), (1290, 147210), (1402, 135450), (1505, 126180), (1548, 122675), (1575, 120572), (1806, 105150), (1935, 98140), (2100, 90429), (2103, 90300), (2150, 88326), (2580, 73605), (2709, 70100), (2804, 67725), (3010, 63090), (3150, 60286), (3225, 58884), (3505, 54180), (3612, 52575), (3870, 49070), (4206, 45150), (4300, 44163), (4515, 42060), (4907, 38700), (5418, 35050), (6020, 31545), (6300, 30143), (6309, 30100), (6450, 29442), (7010, 27090), (7525, 25236), (7740, 24535), (8412, 22575), (9030, 21030), (9675, 19628), (9814, 19350), (10515, 18060), (10836, 17525), (12618, 15050), (12900, 14721), (13545, 14020)]