172069900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 394974720

約数和(自身を除く): 222904820

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 79, 92, 100, 115, 158, 230, 316, 395, 460, 575, 790, 947, 1150, 1580, 1817, 1894, 1975, 2300, 3634, 3788, 3950, 4735, 7268, 7900, 9085, 9470, 18170, 18940, 21781, 23675, 36340, 43562, 45425, 47350, 74813, 87124, 90850, 94700, 108905, 149626, 181700, 217810, 299252, 374065, 435620, 544525, 748130, 1089050, 1496260, 1720699, 1870325, 2178100, 3441398, 3740650, 6882796, 7481300, 8603495, 17206990, 34413980, 43017475, 86034950, 172069900]

約数ペア:

[(1, 172069900), (2, 86034950), (4, 43017475), (5, 34413980), (10, 17206990), (20, 8603495), (23, 7481300), (25, 6882796), (46, 3740650), (50, 3441398), (79, 2178100), (92, 1870325), (100, 1720699), (115, 1496260), (158, 1089050), (230, 748130), (316, 544525), (395, 435620), (460, 374065), (575, 299252), (790, 217810), (947, 181700), (1150, 149626), (1580, 108905), (1817, 94700), (1894, 90850), (1975, 87124), (2300, 74813), (3634, 47350), (3788, 45425), (3950, 43562), (4735, 36340), (7268, 23675), (7900, 21781), (9085, 18940), (9470, 18170)]