306979504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 679644000

約数和(自身を除く): 372664496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 173, 208, 247, 304, 346, 449, 494, 692, 898, 988, 1384, 1796, 1976, 2249, 2768, 3287, 3592, 3952, 4498, 5837, 6574, 7184, 8531, 8996, 11674, 13148, 17062, 17992, 23348, 26296, 34124, 35984, 42731, 46696, 52592, 68248, 77677, 85462, 93392, 110903, 136496, 155354, 170924, 221806, 310708, 341848, 443612, 621416, 683696, 887224, 1009801, 1242832, 1475863, 1774448, 2019602, 2951726, 4039204, 5903452, 8078408, 11806904, 16156816, 19186219, 23613808, 38372438, 76744876, 153489752, 306979504]

約数ペア:

[(1, 306979504), (2, 153489752), (4, 76744876), (8, 38372438), (13, 23613808), (16, 19186219), (19, 16156816), (26, 11806904), (38, 8078408), (52, 5903452), (76, 4039204), (104, 2951726), (152, 2019602), (173, 1774448), (208, 1475863), (247, 1242832), (304, 1009801), (346, 887224), (449, 683696), (494, 621416), (692, 443612), (898, 341848), (988, 310708), (1384, 221806), (1796, 170924), (1976, 155354), (2249, 136496), (2768, 110903), (3287, 93392), (3592, 85462), (3952, 77677), (4498, 68248), (5837, 52592), (6574, 46696), (7184, 42731), (8531, 35984), (8996, 34124), (11674, 26296), (13148, 23348), (17062, 17992)]