201916960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1297}}^1$

素因数の和:1458

約数の個数: 96

約数和(自身を含む): 549521280

約数和(自身を除く): 347604320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 224, 278, 280, 556, 560, 695, 973, 1112, 1120, 1297, 1390, 1946, 2224, 2594, 2780, 3892, 4448, 4865, 5188, 5560, 6485, 7784, 9079, 9730, 10376, 11120, 12970, 15568, 18158, 19460, 20752, 22240, 25940, 31136, 36316, 38920, 41504, 45395, 51880, 72632, 77840, 90790, 103760, 145264, 155680, 180283, 181580, 207520, 290528, 360566, 363160, 721132, 726320, 901415, 1261981, 1442264, 1452640, 1802830, 2523962, 2884528, 3605660, 5047924, 5769056, 6309905, 7211320, 10095848, 12619810, 14422640, 20191696, 25239620, 28845280, 40383392, 50479240, 100958480, 201916960]

約数ペア:

[(1, 201916960), (2, 100958480), (4, 50479240), (5, 40383392), (7, 28845280), (8, 25239620), (10, 20191696), (14, 14422640), (16, 12619810), (20, 10095848), (28, 7211320), (32, 6309905), (35, 5769056), (40, 5047924), (56, 3605660), (70, 2884528), (80, 2523962), (112, 1802830), (139, 1452640), (140, 1442264), (160, 1261981), (224, 901415), (278, 726320), (280, 721132), (556, 363160), (560, 360566), (695, 290528), (973, 207520), (1112, 181580), (1120, 180283), (1297, 155680), (1390, 145264), (1946, 103760), (2224, 90790), (2594, 77840), (2780, 72632), (3892, 51880), (4448, 45395), (4865, 41504), (5188, 38920), (5560, 36316), (6485, 31136), (7784, 25940), (9079, 22240), (9730, 20752), (10376, 19460), (11120, 18158), (12970, 15568)]