201265720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7219}}^1$

素因数の和:7288

約数の個数: 64

約数和(自身を含む): 491248800

約数和(自身を除く): 289983080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 7219, 13940, 14438, 27880, 28876, 36095, 57752, 72190, 122723, 144380, 245446, 288760, 295979, 490892, 591958, 613615, 981784, 1183916, 1227230, 1479895, 2367832, 2454460, 2959790, 4908920, 5031643, 5919580, 10063286, 11839160, 20126572, 25158215, 40253144, 50316430, 100632860, 201265720]

約数ペア:

[(1, 201265720), (2, 100632860), (4, 50316430), (5, 40253144), (8, 25158215), (10, 20126572), (17, 11839160), (20, 10063286), (34, 5919580), (40, 5031643), (41, 4908920), (68, 2959790), (82, 2454460), (85, 2367832), (136, 1479895), (164, 1227230), (170, 1183916), (205, 981784), (328, 613615), (340, 591958), (410, 490892), (680, 295979), (697, 288760), (820, 245446), (1394, 144380), (1640, 122723), (2788, 72190), (3485, 57752), (5576, 36095), (6970, 28876), (7219, 27880), (13940, 14438)]