206814100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 464970240

約数和(自身を除く): 258156140

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 79, 94, 100, 158, 188, 235, 316, 395, 470, 557, 790, 940, 1114, 1175, 1580, 1975, 2228, 2350, 2785, 3713, 3950, 4700, 5570, 7426, 7900, 11140, 13925, 14852, 18565, 26179, 27850, 37130, 44003, 52358, 55700, 74260, 88006, 92825, 104716, 130895, 176012, 185650, 220015, 261790, 371300, 440030, 523580, 654475, 880060, 1100075, 1308950, 2068141, 2200150, 2617900, 4136282, 4400300, 8272564, 10340705, 20681410, 41362820, 51703525, 103407050, 206814100]

約数ペア:

[(1, 206814100), (2, 103407050), (4, 51703525), (5, 41362820), (10, 20681410), (20, 10340705), (25, 8272564), (47, 4400300), (50, 4136282), (79, 2617900), (94, 2200150), (100, 2068141), (158, 1308950), (188, 1100075), (235, 880060), (316, 654475), (395, 523580), (470, 440030), (557, 371300), (790, 261790), (940, 220015), (1114, 185650), (1175, 176012), (1580, 130895), (1975, 104716), (2228, 92825), (2350, 88006), (2785, 74260), (3713, 55700), (3950, 52358), (4700, 44003), (5570, 37130), (7426, 27850), (7900, 26179), (11140, 18565), (13925, 14852)]