2148900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 7291200

約数和(自身を除く): 5142300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 29, 30, 38, 39, 50, 52, 57, 58, 60, 65, 75, 76, 78, 87, 95, 100, 114, 116, 130, 145, 150, 156, 174, 190, 195, 228, 247, 260, 285, 290, 300, 325, 348, 377, 380, 390, 435, 475, 494, 551, 570, 580, 650, 725, 741, 754, 780, 870, 950, 975, 988, 1102, 1131, 1140, 1235, 1300, 1425, 1450, 1482, 1508, 1653, 1740, 1885, 1900, 1950, 2175, 2204, 2262, 2470, 2755, 2850, 2900, 2964, 3306, 3705, 3770, 3900, 4350, 4524, 4940, 5510, 5655, 5700, 6175, 6612, 7163, 7410, 7540, 8265, 8700, 9425, 11020, 11310, 12350, 13775, 14326, 14820, 16530, 18525, 18850, 21489, 22620, 24700, 27550, 28275, 28652, 33060, 35815, 37050, 37700, 41325, 42978, 55100, 56550, 71630, 74100, 82650, 85956, 107445, 113100, 143260, 165300, 179075, 214890, 358150, 429780, 537225, 716300, 1074450, 2148900]

約数ペア:

[(1, 2148900), (2, 1074450), (3, 716300), (4, 537225), (5, 429780), (6, 358150), (10, 214890), (12, 179075), (13, 165300), (15, 143260), (19, 113100), (20, 107445), (25, 85956), (26, 82650), (29, 74100), (30, 71630), (38, 56550), (39, 55100), (50, 42978), (52, 41325), (57, 37700), (58, 37050), (60, 35815), (65, 33060), (75, 28652), (76, 28275), (78, 27550), (87, 24700), (95, 22620), (100, 21489), (114, 18850), (116, 18525), (130, 16530), (145, 14820), (150, 14326), (156, 13775), (174, 12350), (190, 11310), (195, 11020), (228, 9425), (247, 8700), (260, 8265), (285, 7540), (290, 7410), (300, 7163), (325, 6612), (348, 6175), (377, 5700), (380, 5655), (390, 5510), (435, 4940), (475, 4524), (494, 4350), (551, 3900), (570, 3770), (580, 3705), (650, 3306), (725, 2964), (741, 2900), (754, 2850), (780, 2755), (870, 2470), (950, 2262), (975, 2204), (988, 2175), (1102, 1950), (1131, 1900), (1140, 1885), (1235, 1740), (1300, 1653), (1425, 1508), (1450, 1482)]