286919920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1217}}^1$

素因数の和:1658

約数の個数: 80

約数和(自身を含む): 764826048

約数和(自身を除く): 477906128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 421, 560, 842, 1217, 1684, 2105, 2434, 2947, 3368, 4210, 4868, 5894, 6085, 6736, 8420, 8519, 9736, 11788, 12170, 14735, 16840, 17038, 19472, 23576, 24340, 29470, 33680, 34076, 42595, 47152, 48680, 58940, 68152, 85190, 97360, 117880, 136304, 170380, 235760, 340760, 512357, 681520, 1024714, 2049428, 2561785, 3586499, 4098856, 5123570, 7172998, 8197712, 10247140, 14345996, 17932495, 20494280, 28691992, 35864990, 40988560, 57383984, 71729980, 143459960, 286919920]

約数ペア:

[(1, 286919920), (2, 143459960), (4, 71729980), (5, 57383984), (7, 40988560), (8, 35864990), (10, 28691992), (14, 20494280), (16, 17932495), (20, 14345996), (28, 10247140), (35, 8197712), (40, 7172998), (56, 5123570), (70, 4098856), (80, 3586499), (112, 2561785), (140, 2049428), (280, 1024714), (421, 681520), (560, 512357), (842, 340760), (1217, 235760), (1684, 170380), (2105, 136304), (2434, 117880), (2947, 97360), (3368, 85190), (4210, 68152), (4868, 58940), (5894, 48680), (6085, 47152), (6736, 42595), (8420, 34076), (8519, 33680), (9736, 29470), (11788, 24340), (12170, 23576), (14735, 19472), (16840, 17038)]