490893676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 1098352640

約数和(自身を除く): 607458964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 79, 86, 91, 158, 172, 182, 301, 316, 364, 397, 553, 559, 602, 794, 1027, 1106, 1118, 1204, 1588, 2054, 2212, 2236, 2779, 3397, 3913, 4108, 5161, 5558, 6794, 7189, 7826, 10322, 11116, 13588, 14378, 15652, 17071, 20644, 23779, 28756, 31363, 34142, 36127, 44161, 47558, 62726, 68284, 72254, 88322, 95116, 119497, 125452, 144508, 176644, 219541, 221923, 238994, 309127, 407719, 439082, 443846, 477988, 618254, 815438, 878164, 887692, 1236508, 1348609, 1553461, 1630876, 2697218, 2854033, 3106922, 5394436, 5708066, 6213844, 9440263, 11416132, 17531917, 18880526, 35063834, 37761052, 70127668, 122723419, 245446838, 490893676]

約数ペア:

[(1, 490893676), (2, 245446838), (4, 122723419), (7, 70127668), (13, 37761052), (14, 35063834), (26, 18880526), (28, 17531917), (43, 11416132), (52, 9440263), (79, 6213844), (86, 5708066), (91, 5394436), (158, 3106922), (172, 2854033), (182, 2697218), (301, 1630876), (316, 1553461), (364, 1348609), (397, 1236508), (553, 887692), (559, 878164), (602, 815438), (794, 618254), (1027, 477988), (1106, 443846), (1118, 439082), (1204, 407719), (1588, 309127), (2054, 238994), (2212, 221923), (2236, 219541), (2779, 176644), (3397, 144508), (3913, 125452), (4108, 119497), (5161, 95116), (5558, 88322), (6794, 72254), (7189, 68284), (7826, 62726), (10322, 47558), (11116, 44161), (13588, 36127), (14378, 34142), (15652, 31363), (17071, 28756), (20644, 23779)]