28289100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 98604800

約数和(自身を除く): 70315700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 709, 798, 950, 1050, 1140, 1330, 1418, 1425, 1596, 1900, 1995, 2100, 2127, 2660, 2836, 2850, 3325, 3545, 3990, 4254, 4963, 5700, 6650, 7090, 7980, 8508, 9926, 9975, 10635, 13300, 13471, 14180, 14889, 17725, 19852, 19950, 21270, 24815, 26942, 29778, 35450, 39900, 40413, 42540, 49630, 53175, 53884, 59556, 67355, 70900, 74445, 80826, 94297, 99260, 106350, 124075, 134710, 148890, 161652, 188594, 202065, 212700, 248150, 269420, 282891, 297780, 336775, 372225, 377188, 404130, 471485, 496300, 565782, 673550, 744450, 808260, 942970, 1010325, 1131564, 1347100, 1414455, 1488900, 1885940, 2020650, 2357425, 2828910, 4041300, 4714850, 5657820, 7072275, 9429700, 14144550, 28289100]

約数ペア:

[(1, 28289100), (2, 14144550), (3, 9429700), (4, 7072275), (5, 5657820), (6, 4714850), (7, 4041300), (10, 2828910), (12, 2357425), (14, 2020650), (15, 1885940), (19, 1488900), (20, 1414455), (21, 1347100), (25, 1131564), (28, 1010325), (30, 942970), (35, 808260), (38, 744450), (42, 673550), (50, 565782), (57, 496300), (60, 471485), (70, 404130), (75, 377188), (76, 372225), (84, 336775), (95, 297780), (100, 282891), (105, 269420), (114, 248150), (133, 212700), (140, 202065), (150, 188594), (175, 161652), (190, 148890), (210, 134710), (228, 124075), (266, 106350), (285, 99260), (300, 94297), (350, 80826), (380, 74445), (399, 70900), (420, 67355), (475, 59556), (525, 53884), (532, 53175), (570, 49630), (665, 42540), (700, 40413), (709, 39900), (798, 35450), (950, 29778), (1050, 26942), (1140, 24815), (1330, 21270), (1418, 19950), (1425, 19852), (1596, 17725), (1900, 14889), (1995, 14180), (2100, 13471), (2127, 13300), (2660, 10635), (2836, 9975), (2850, 9926), (3325, 8508), (3545, 7980), (3990, 7090), (4254, 6650), (4963, 5700)]