205845900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1200

約数の個数: 144

約数和(自身を含む): 655624704

約数和(自身を除く): 449778804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 47, 50, 52, 60, 65, 75, 78, 94, 100, 130, 141, 150, 156, 188, 195, 235, 260, 282, 300, 325, 390, 470, 564, 611, 650, 705, 780, 940, 975, 1123, 1175, 1222, 1300, 1410, 1833, 1950, 2246, 2350, 2444, 2820, 3055, 3369, 3525, 3666, 3900, 4492, 4700, 5615, 6110, 6738, 7050, 7332, 9165, 11230, 12220, 13476, 14100, 14599, 15275, 16845, 18330, 22460, 28075, 29198, 30550, 33690, 36660, 43797, 45825, 52781, 56150, 58396, 61100, 67380, 72995, 84225, 87594, 91650, 105562, 112300, 145990, 158343, 168450, 175188, 183300, 211124, 218985, 263905, 291980, 316686, 336900, 364975, 437970, 527810, 633372, 686153, 729950, 791715, 875940, 1055620, 1094925, 1319525, 1372306, 1459900, 1583430, 2058459, 2189850, 2639050, 2744612, 3166860, 3430765, 3958575, 4116918, 4379700, 5278100, 6861530, 7917150, 8233836, 10292295, 13723060, 15834300, 17153825, 20584590, 34307650, 41169180, 51461475, 68615300, 102922950, 205845900]

約数ペア:

[(1, 205845900), (2, 102922950), (3, 68615300), (4, 51461475), (5, 41169180), (6, 34307650), (10, 20584590), (12, 17153825), (13, 15834300), (15, 13723060), (20, 10292295), (25, 8233836), (26, 7917150), (30, 6861530), (39, 5278100), (47, 4379700), (50, 4116918), (52, 3958575), (60, 3430765), (65, 3166860), (75, 2744612), (78, 2639050), (94, 2189850), (100, 2058459), (130, 1583430), (141, 1459900), (150, 1372306), (156, 1319525), (188, 1094925), (195, 1055620), (235, 875940), (260, 791715), (282, 729950), (300, 686153), (325, 633372), (390, 527810), (470, 437970), (564, 364975), (611, 336900), (650, 316686), (705, 291980), (780, 263905), (940, 218985), (975, 211124), (1123, 183300), (1175, 175188), (1222, 168450), (1300, 158343), (1410, 145990), (1833, 112300), (1950, 105562), (2246, 91650), (2350, 87594), (2444, 84225), (2820, 72995), (3055, 67380), (3369, 61100), (3525, 58396), (3666, 56150), (3900, 52781), (4492, 45825), (4700, 43797), (5615, 36660), (6110, 33690), (6738, 30550), (7050, 29198), (7332, 28075), (9165, 22460), (11230, 18330), (12220, 16845), (13476, 15275), (14100, 14599)]