308788520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 745345800

約数和(自身を除く): 436557280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 277, 290, 310, 554, 580, 620, 899, 961, 1108, 1160, 1240, 1385, 1798, 1922, 2216, 2770, 3596, 3844, 4495, 4805, 5540, 7192, 7688, 8033, 8587, 8990, 9610, 11080, 16066, 17174, 17980, 19220, 27869, 32132, 34348, 35960, 38440, 40165, 42935, 55738, 64264, 68696, 80330, 85870, 111476, 139345, 160660, 171740, 222952, 249023, 266197, 278690, 321320, 343480, 498046, 532394, 557380, 996092, 1064788, 1114760, 1245115, 1330985, 1992184, 2129576, 2490230, 2661970, 4980460, 5323940, 7719713, 9960920, 10647880, 15439426, 30878852, 38598565, 61757704, 77197130, 154394260, 308788520]

約数ペア:

[(1, 308788520), (2, 154394260), (4, 77197130), (5, 61757704), (8, 38598565), (10, 30878852), (20, 15439426), (29, 10647880), (31, 9960920), (40, 7719713), (58, 5323940), (62, 4980460), (116, 2661970), (124, 2490230), (145, 2129576), (155, 1992184), (232, 1330985), (248, 1245115), (277, 1114760), (290, 1064788), (310, 996092), (554, 557380), (580, 532394), (620, 498046), (899, 343480), (961, 321320), (1108, 278690), (1160, 266197), (1240, 249023), (1385, 222952), (1798, 171740), (1922, 160660), (2216, 139345), (2770, 111476), (3596, 85870), (3844, 80330), (4495, 68696), (4805, 64264), (5540, 55738), (7192, 42935), (7688, 40165), (8033, 38440), (8587, 35960), (8990, 34348), (9610, 32132), (11080, 27869), (16066, 19220), (17174, 17980)]