255892910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 600735744

約数和(自身を除く): 344842834

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 47, 62, 65, 70, 91, 94, 130, 155, 182, 193, 217, 235, 310, 329, 386, 403, 434, 455, 470, 611, 658, 806, 910, 965, 1085, 1222, 1351, 1457, 1645, 1930, 2015, 2170, 2509, 2702, 2821, 2914, 3055, 3290, 4030, 4277, 5018, 5642, 5983, 6110, 6755, 7285, 8554, 9071, 10199, 11966, 12545, 13510, 14105, 14570, 17563, 18142, 18941, 20398, 21385, 25090, 28210, 29915, 35126, 37882, 41881, 42770, 45355, 50995, 59830, 63497, 77779, 83762, 87815, 90710, 94705, 101990, 117923, 126994, 132587, 155558, 175630, 189410, 209405, 235846, 265174, 281201, 317485, 388895, 418810, 544453, 562402, 589615, 634970, 662935, 777790, 825461, 1088906, 1179230, 1325870, 1406005, 1650922, 1968407, 2722265, 2812010, 3655613, 3936814, 4127305, 5444530, 7311226, 8254610, 9842035, 18278065, 19684070, 25589291, 36556130, 51178582, 127946455, 255892910]

約数ペア:

[(1, 255892910), (2, 127946455), (5, 51178582), (7, 36556130), (10, 25589291), (13, 19684070), (14, 18278065), (26, 9842035), (31, 8254610), (35, 7311226), (47, 5444530), (62, 4127305), (65, 3936814), (70, 3655613), (91, 2812010), (94, 2722265), (130, 1968407), (155, 1650922), (182, 1406005), (193, 1325870), (217, 1179230), (235, 1088906), (310, 825461), (329, 777790), (386, 662935), (403, 634970), (434, 589615), (455, 562402), (470, 544453), (611, 418810), (658, 388895), (806, 317485), (910, 281201), (965, 265174), (1085, 235846), (1222, 209405), (1351, 189410), (1457, 175630), (1645, 155558), (1930, 132587), (2015, 126994), (2170, 117923), (2509, 101990), (2702, 94705), (2821, 90710), (2914, 87815), (3055, 83762), (3290, 77779), (4030, 63497), (4277, 59830), (5018, 50995), (5642, 45355), (5983, 42770), (6110, 41881), (6755, 37882), (7285, 35126), (8554, 29915), (9071, 28210), (10199, 25090), (11966, 21385), (12545, 20398), (13510, 18941), (14105, 18142), (14570, 17563)]