189717780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451709}}^1$

素因数の和:451728

約数の個数: 48

約数和(自身を含む): 607098240

約数和(自身を除く): 417380460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 451709, 903418, 1355127, 1806836, 2258545, 2710254, 3161963, 4517090, 5420508, 6323926, 6775635, 9034180, 9485889, 12647852, 13551270, 15809815, 18971778, 27102540, 31619630, 37943556, 47429445, 63239260, 94858890, 189717780]

約数ペア:

[(1, 189717780), (2, 94858890), (3, 63239260), (4, 47429445), (5, 37943556), (6, 31619630), (7, 27102540), (10, 18971778), (12, 15809815), (14, 13551270), (15, 12647852), (20, 9485889), (21, 9034180), (28, 6775635), (30, 6323926), (35, 5420508), (42, 4517090), (60, 3161963), (70, 2710254), (84, 2258545), (105, 1806836), (140, 1355127), (210, 903418), (420, 451709)]