210783454

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 401448960

約数和(自身を除く): 190665506

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 131, 133, 161, 262, 263, 266, 322, 437, 526, 874, 917, 1834, 1841, 2489, 3013, 3059, 3682, 4978, 4997, 6026, 6049, 6118, 9994, 12098, 17423, 21091, 34453, 34846, 34979, 42182, 42343, 57247, 68906, 69958, 84686, 114494, 114931, 229862, 241171, 400729, 482342, 654607, 792419, 801458, 804517, 1309214, 1584838, 1609034, 4582249, 5546933, 9164498, 11093866, 15055961, 30111922, 105391727, 210783454]

約数ペア:

[(1, 210783454), (2, 105391727), (7, 30111922), (14, 15055961), (19, 11093866), (23, 9164498), (38, 5546933), (46, 4582249), (131, 1609034), (133, 1584838), (161, 1309214), (262, 804517), (263, 801458), (266, 792419), (322, 654607), (437, 482342), (526, 400729), (874, 241171), (917, 229862), (1834, 114931), (1841, 114494), (2489, 84686), (3013, 69958), (3059, 68906), (3682, 57247), (4978, 42343), (4997, 42182), (6026, 34979), (6049, 34846), (6118, 34453), (9994, 21091), (12098, 17423)]