889321820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{7457}}^1$

素因数の和:7622

約数の個数: 48

約数和(自身を含む): 1917004320

約数和(自身を除く): 1027682500

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 268, 335, 356, 445, 670, 890, 1340, 1780, 5963, 7457, 11926, 14914, 23852, 29815, 29828, 37285, 59630, 74570, 119260, 149140, 499619, 663673, 999238, 1327346, 1998476, 2498095, 2654692, 3318365, 4996190, 6636730, 9992380, 13273460, 44466091, 88932182, 177864364, 222330455, 444660910, 889321820]

約数ペア:

[(1, 889321820), (2, 444660910), (4, 222330455), (5, 177864364), (10, 88932182), (20, 44466091), (67, 13273460), (89, 9992380), (134, 6636730), (178, 4996190), (268, 3318365), (335, 2654692), (356, 2498095), (445, 1998476), (670, 1327346), (890, 999238), (1340, 663673), (1780, 499619), (5963, 149140), (7457, 119260), (11926, 74570), (14914, 59630), (23852, 37285), (29815, 29828)]