55300280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 153722880

約数和(自身を除く): 98422600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 277, 280, 310, 322, 434, 460, 554, 620, 644, 713, 805, 868, 920, 1085, 1108, 1240, 1288, 1385, 1426, 1610, 1736, 1939, 2170, 2216, 2770, 2852, 3220, 3565, 3878, 4340, 4991, 5540, 5704, 6371, 6440, 7130, 7756, 8587, 8680, 9695, 9982, 11080, 12742, 14260, 15512, 17174, 19390, 19964, 24955, 25484, 28520, 31855, 34348, 38780, 39928, 42935, 44597, 49910, 50968, 60109, 63710, 68696, 77560, 85870, 89194, 99820, 120218, 127420, 171740, 178388, 197501, 199640, 222985, 240436, 254840, 300545, 343480, 356776, 395002, 445970, 480872, 601090, 790004, 891940, 987505, 1202180, 1382507, 1580008, 1783880, 1975010, 2404360, 2765014, 3950020, 5530028, 6912535, 7900040, 11060056, 13825070, 27650140, 55300280]

約数ペア:

[(1, 55300280), (2, 27650140), (4, 13825070), (5, 11060056), (7, 7900040), (8, 6912535), (10, 5530028), (14, 3950020), (20, 2765014), (23, 2404360), (28, 1975010), (31, 1783880), (35, 1580008), (40, 1382507), (46, 1202180), (56, 987505), (62, 891940), (70, 790004), (92, 601090), (115, 480872), (124, 445970), (140, 395002), (155, 356776), (161, 343480), (184, 300545), (217, 254840), (230, 240436), (248, 222985), (277, 199640), (280, 197501), (310, 178388), (322, 171740), (434, 127420), (460, 120218), (554, 99820), (620, 89194), (644, 85870), (713, 77560), (805, 68696), (868, 63710), (920, 60109), (1085, 50968), (1108, 49910), (1240, 44597), (1288, 42935), (1385, 39928), (1426, 38780), (1610, 34348), (1736, 31855), (1939, 28520), (2170, 25484), (2216, 24955), (2770, 19964), (2852, 19390), (3220, 17174), (3565, 15512), (3878, 14260), (4340, 12742), (4991, 11080), (5540, 9982), (5704, 9695), (6371, 8680), (6440, 8587), (7130, 7756)]