788900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{23}}^1$

素因数の和:58

約数の個数: 72

約数和(自身を含む): 2083200

約数和(自身を除く): 1294300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 196, 230, 245, 322, 343, 350, 460, 490, 575, 644, 686, 700, 805, 980, 1127, 1150, 1225, 1372, 1610, 1715, 2254, 2300, 2450, 3220, 3430, 4025, 4508, 4900, 5635, 6860, 7889, 8050, 8575, 11270, 15778, 16100, 17150, 22540, 28175, 31556, 34300, 39445, 56350, 78890, 112700, 157780, 197225, 394450, 788900]

約数ペア:

[(1, 788900), (2, 394450), (4, 197225), (5, 157780), (7, 112700), (10, 78890), (14, 56350), (20, 39445), (23, 34300), (25, 31556), (28, 28175), (35, 22540), (46, 17150), (49, 16100), (50, 15778), (70, 11270), (92, 8575), (98, 8050), (100, 7889), (115, 6860), (140, 5635), (161, 4900), (175, 4508), (196, 4025), (230, 3430), (245, 3220), (322, 2450), (343, 2300), (350, 2254), (460, 1715), (490, 1610), (575, 1372), (644, 1225), (686, 1150), (700, 1127), (805, 980)]