208784310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 611380224

約数和(自身を除く): 402595914

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 233, 238, 251, 255, 357, 466, 502, 510, 595, 699, 714, 753, 1165, 1190, 1255, 1398, 1506, 1631, 1757, 1785, 2330, 2510, 3262, 3495, 3514, 3570, 3765, 3961, 4267, 4893, 5271, 6990, 7530, 7922, 8155, 8534, 8785, 9786, 10542, 11883, 12801, 16310, 17570, 19805, 21335, 23766, 24465, 25602, 26355, 27727, 29869, 39610, 42670, 48930, 52710, 55454, 58483, 59415, 59738, 64005, 83181, 89607, 116966, 118830, 128010, 138635, 149345, 166362, 175449, 179214, 277270, 292415, 298690, 350898, 409381, 415905, 448035, 584830, 818762, 831810, 877245, 896070, 994211, 1228143, 1754490, 1988422, 2046905, 2456286, 2982633, 4093810, 4971055, 5965266, 6140715, 6959477, 9942110, 12281430, 13918954, 14913165, 20878431, 29826330, 34797385, 41756862, 69594770, 104392155, 208784310]

約数ペア:

[(1, 208784310), (2, 104392155), (3, 69594770), (5, 41756862), (6, 34797385), (7, 29826330), (10, 20878431), (14, 14913165), (15, 13918954), (17, 12281430), (21, 9942110), (30, 6959477), (34, 6140715), (35, 5965266), (42, 4971055), (51, 4093810), (70, 2982633), (85, 2456286), (102, 2046905), (105, 1988422), (119, 1754490), (170, 1228143), (210, 994211), (233, 896070), (238, 877245), (251, 831810), (255, 818762), (357, 584830), (466, 448035), (502, 415905), (510, 409381), (595, 350898), (699, 298690), (714, 292415), (753, 277270), (1165, 179214), (1190, 175449), (1255, 166362), (1398, 149345), (1506, 138635), (1631, 128010), (1757, 118830), (1785, 116966), (2330, 89607), (2510, 83181), (3262, 64005), (3495, 59738), (3514, 59415), (3570, 58483), (3765, 55454), (3961, 52710), (4267, 48930), (4893, 42670), (5271, 39610), (6990, 29869), (7530, 27727), (7922, 26355), (8155, 25602), (8534, 24465), (8785, 23766), (9786, 21335), (10542, 19805), (11883, 17570), (12801, 16310)]