215242300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 216

約数和(自身を含む): 609544320

約数和(自身を除く): 394302020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 49, 50, 52, 62, 65, 70, 91, 98, 100, 109, 124, 130, 140, 155, 175, 182, 196, 217, 218, 245, 260, 310, 325, 350, 364, 403, 434, 436, 455, 490, 545, 620, 637, 650, 700, 763, 775, 806, 868, 910, 980, 1085, 1090, 1225, 1274, 1300, 1417, 1519, 1526, 1550, 1612, 1820, 2015, 2170, 2180, 2275, 2450, 2548, 2725, 2821, 2834, 3038, 3052, 3100, 3185, 3379, 3815, 4030, 4340, 4550, 4900, 5341, 5425, 5450, 5642, 5668, 6076, 6370, 6758, 7085, 7595, 7630, 8060, 9100, 9919, 10075, 10682, 10850, 10900, 11284, 12740, 13516, 14105, 14170, 15190, 15260, 15925, 16895, 19075, 19747, 19838, 20150, 21364, 21700, 23653, 26705, 28210, 28340, 30380, 31850, 33790, 35425, 37975, 38150, 39494, 39676, 40300, 43927, 47306, 49595, 53410, 56420, 63700, 67580, 69433, 70525, 70850, 75950, 76300, 78988, 84475, 87854, 94612, 98735, 99190, 106820, 118265, 133525, 138866, 141050, 141700, 151900, 165571, 168950, 175708, 197470, 198380, 219635, 236530, 247975, 267050, 277732, 282100, 307489, 331142, 337900, 347165, 394940, 439270, 473060, 493675, 495950, 534100, 591325, 614978, 662284, 694330, 827855, 878540, 987350, 991900, 1098175, 1182650, 1229956, 1388660, 1537445, 1655710, 1735825, 1974700, 2152423, 2196350, 2365300, 3074890, 3311420, 3471650, 4139275, 4304846, 4392700, 6149780, 6943300, 7687225, 8278550, 8609692, 10762115, 15374450, 16557100, 21524230, 30748900, 43048460, 53810575, 107621150, 215242300]

約数ペア:

[(1, 215242300), (2, 107621150), (4, 53810575), (5, 43048460), (7, 30748900), (10, 21524230), (13, 16557100), (14, 15374450), (20, 10762115), (25, 8609692), (26, 8278550), (28, 7687225), (31, 6943300), (35, 6149780), (49, 4392700), (50, 4304846), (52, 4139275), (62, 3471650), (65, 3311420), (70, 3074890), (91, 2365300), (98, 2196350), (100, 2152423), (109, 1974700), (124, 1735825), (130, 1655710), (140, 1537445), (155, 1388660), (175, 1229956), (182, 1182650), (196, 1098175), (217, 991900), (218, 987350), (245, 878540), (260, 827855), (310, 694330), (325, 662284), (350, 614978), (364, 591325), (403, 534100), (434, 495950), (436, 493675), (455, 473060), (490, 439270), (545, 394940), (620, 347165), (637, 337900), (650, 331142), (700, 307489), (763, 282100), (775, 277732), (806, 267050), (868, 247975), (910, 236530), (980, 219635), (1085, 198380), (1090, 197470), (1225, 175708), (1274, 168950), (1300, 165571), (1417, 151900), (1519, 141700), (1526, 141050), (1550, 138866), (1612, 133525), (1820, 118265), (2015, 106820), (2170, 99190), (2180, 98735), (2275, 94612), (2450, 87854), (2548, 84475), (2725, 78988), (2821, 76300), (2834, 75950), (3038, 70850), (3052, 70525), (3100, 69433), (3185, 67580), (3379, 63700), (3815, 56420), (4030, 53410), (4340, 49595), (4550, 47306), (4900, 43927), (5341, 40300), (5425, 39676), (5450, 39494), (5642, 38150), (5668, 37975), (6076, 35425), (6370, 33790), (6758, 31850), (7085, 30380), (7595, 28340), (7630, 28210), (8060, 26705), (9100, 23653), (9919, 21700), (10075, 21364), (10682, 20150), (10850, 19838), (10900, 19747), (11284, 19075), (12740, 16895), (13516, 15925), (14105, 15260), (14170, 15190)]