281996960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{35969}}^1$

素因数の和:35998

約数の個数: 72

約数和(自身を含む): 775009620

約数和(自身を除く): 493012660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 35969, 71938, 143876, 179845, 251783, 287752, 359690, 503566, 575504, 719380, 1007132, 1151008, 1258915, 1438760, 1762481, 2014264, 2517830, 2877520, 3524962, 4028528, 5035660, 5755040, 7049924, 8057056, 8812405, 10071320, 14099848, 17624810, 20142640, 28199696, 35249620, 40285280, 56399392, 70499240, 140998480, 281996960]

約数ペア:

[(1, 281996960), (2, 140998480), (4, 70499240), (5, 56399392), (7, 40285280), (8, 35249620), (10, 28199696), (14, 20142640), (16, 17624810), (20, 14099848), (28, 10071320), (32, 8812405), (35, 8057056), (40, 7049924), (49, 5755040), (56, 5035660), (70, 4028528), (80, 3524962), (98, 2877520), (112, 2517830), (140, 2014264), (160, 1762481), (196, 1438760), (224, 1258915), (245, 1151008), (280, 1007132), (392, 719380), (490, 575504), (560, 503566), (784, 359690), (980, 287752), (1120, 251783), (1568, 179845), (1960, 143876), (3920, 71938), (7840, 35969)]