393670120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 970444800

約数和(自身を除く): 576774680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 103, 107, 152, 188, 190, 206, 214, 235, 376, 380, 412, 428, 470, 515, 535, 760, 824, 856, 893, 940, 1030, 1070, 1786, 1880, 1957, 2033, 2060, 2140, 3572, 3914, 4066, 4120, 4280, 4465, 4841, 5029, 7144, 7828, 8132, 8930, 9682, 9785, 10058, 10165, 11021, 15656, 16264, 17860, 19364, 19570, 20116, 20330, 22042, 24205, 25145, 35720, 38728, 39140, 40232, 40660, 44084, 48410, 50290, 55105, 78280, 81320, 88168, 91979, 95551, 96820, 100580, 110210, 183958, 191102, 193640, 201160, 209399, 220420, 367916, 382204, 418798, 440840, 459895, 477755, 517987, 735832, 764408, 837596, 919790, 955510, 1035974, 1046995, 1675192, 1839580, 1911020, 2071948, 2093990, 2589935, 3679160, 3822040, 4143896, 4187980, 5179870, 8375960, 9841753, 10359740, 19683506, 20719480, 39367012, 49208765, 78734024, 98417530, 196835060, 393670120]

約数ペア:

[(1, 393670120), (2, 196835060), (4, 98417530), (5, 78734024), (8, 49208765), (10, 39367012), (19, 20719480), (20, 19683506), (38, 10359740), (40, 9841753), (47, 8375960), (76, 5179870), (94, 4187980), (95, 4143896), (103, 3822040), (107, 3679160), (152, 2589935), (188, 2093990), (190, 2071948), (206, 1911020), (214, 1839580), (235, 1675192), (376, 1046995), (380, 1035974), (412, 955510), (428, 919790), (470, 837596), (515, 764408), (535, 735832), (760, 517987), (824, 477755), (856, 459895), (893, 440840), (940, 418798), (1030, 382204), (1070, 367916), (1786, 220420), (1880, 209399), (1957, 201160), (2033, 193640), (2060, 191102), (2140, 183958), (3572, 110210), (3914, 100580), (4066, 96820), (4120, 95551), (4280, 91979), (4465, 88168), (4841, 81320), (5029, 78280), (7144, 55105), (7828, 50290), (8132, 48410), (8930, 44084), (9682, 40660), (9785, 40232), (10058, 39140), (10165, 38728), (11021, 35720), (15656, 25145), (16264, 24205), (17860, 22042), (19364, 20330), (19570, 20116)]