90405700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 249984000

約数和(自身を除く): 159578300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 59, 70, 77, 100, 110, 118, 140, 154, 175, 199, 220, 236, 275, 295, 308, 350, 385, 398, 413, 550, 590, 649, 700, 770, 796, 826, 995, 1100, 1180, 1298, 1393, 1475, 1540, 1652, 1925, 1990, 2065, 2189, 2596, 2786, 2950, 3245, 3850, 3980, 4130, 4378, 4543, 4975, 5572, 5900, 6490, 6965, 7700, 8260, 8756, 9086, 9950, 10325, 10945, 11741, 12980, 13930, 15323, 16225, 18172, 19900, 20650, 21890, 22715, 23482, 27860, 30646, 32450, 34825, 41300, 43780, 45430, 46964, 54725, 58705, 61292, 64900, 69650, 76615, 82187, 90860, 109450, 113575, 117410, 129151, 139300, 153230, 164374, 218900, 227150, 234820, 258302, 293525, 306460, 328748, 383075, 410935, 454300, 516604, 587050, 645755, 766150, 821870, 904057, 1174100, 1291510, 1532300, 1643740, 1808114, 2054675, 2583020, 3228775, 3616228, 4109350, 4520285, 6457550, 8218700, 9040570, 12915100, 18081140, 22601425, 45202850, 90405700]

約数ペア:

[(1, 90405700), (2, 45202850), (4, 22601425), (5, 18081140), (7, 12915100), (10, 9040570), (11, 8218700), (14, 6457550), (20, 4520285), (22, 4109350), (25, 3616228), (28, 3228775), (35, 2583020), (44, 2054675), (50, 1808114), (55, 1643740), (59, 1532300), (70, 1291510), (77, 1174100), (100, 904057), (110, 821870), (118, 766150), (140, 645755), (154, 587050), (175, 516604), (199, 454300), (220, 410935), (236, 383075), (275, 328748), (295, 306460), (308, 293525), (350, 258302), (385, 234820), (398, 227150), (413, 218900), (550, 164374), (590, 153230), (649, 139300), (700, 129151), (770, 117410), (796, 113575), (826, 109450), (995, 90860), (1100, 82187), (1180, 76615), (1298, 69650), (1393, 64900), (1475, 61292), (1540, 58705), (1652, 54725), (1925, 46964), (1990, 45430), (2065, 43780), (2189, 41300), (2596, 34825), (2786, 32450), (2950, 30646), (3245, 27860), (3850, 23482), (3980, 22715), (4130, 21890), (4378, 20650), (4543, 19900), (4975, 18172), (5572, 16225), (5900, 15323), (6490, 13930), (6965, 12980), (7700, 11741), (8260, 10945), (8756, 10325), (9086, 9950)]