399156160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 112

約数和(自身を含む): 1030528800

約数和(自身を除く): 631372640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 229, 260, 320, 416, 419, 458, 520, 832, 838, 916, 1040, 1145, 1676, 1832, 2080, 2095, 2290, 2977, 3352, 3664, 4160, 4190, 4580, 5447, 5954, 6704, 7328, 8380, 9160, 10894, 11908, 13408, 14656, 14885, 16760, 18320, 21788, 23816, 26816, 27235, 29770, 33520, 36640, 43576, 47632, 54470, 59540, 67040, 73280, 87152, 95264, 95951, 108940, 119080, 134080, 174304, 190528, 191902, 217880, 238160, 348608, 383804, 435760, 476320, 479755, 767608, 871520, 952640, 959510, 1247363, 1535216, 1743040, 1919020, 2494726, 3070432, 3838040, 4989452, 6140864, 6236815, 7676080, 9978904, 12473630, 15352160, 19957808, 24947260, 30704320, 39915616, 49894520, 79831232, 99789040, 199578080, 399156160]

約数ペア:

[(1, 399156160), (2, 199578080), (4, 99789040), (5, 79831232), (8, 49894520), (10, 39915616), (13, 30704320), (16, 24947260), (20, 19957808), (26, 15352160), (32, 12473630), (40, 9978904), (52, 7676080), (64, 6236815), (65, 6140864), (80, 4989452), (104, 3838040), (130, 3070432), (160, 2494726), (208, 1919020), (229, 1743040), (260, 1535216), (320, 1247363), (416, 959510), (419, 952640), (458, 871520), (520, 767608), (832, 479755), (838, 476320), (916, 435760), (1040, 383804), (1145, 348608), (1676, 238160), (1832, 217880), (2080, 191902), (2095, 190528), (2290, 174304), (2977, 134080), (3352, 119080), (3664, 108940), (4160, 95951), (4190, 95264), (4580, 87152), (5447, 73280), (5954, 67040), (6704, 59540), (7328, 54470), (8380, 47632), (9160, 43576), (10894, 36640), (11908, 33520), (13408, 29770), (14656, 27235), (14885, 26816), (16760, 23816), (18320, 21788)]