199972980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1321}}^1$

素因数の和:1394

約数の個数: 108

約数和(自身を含む): 628698252

約数和(自身を除く): 428725272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 841, 870, 1044, 1305, 1321, 1682, 1740, 2523, 2610, 2642, 3364, 3963, 4205, 5046, 5220, 5284, 6605, 7569, 7926, 8410, 10092, 11889, 12615, 13210, 15138, 15852, 16820, 19815, 23778, 25230, 26420, 30276, 37845, 38309, 39630, 47556, 50460, 59445, 75690, 76618, 79260, 114927, 118890, 151380, 153236, 191545, 229854, 237780, 344781, 383090, 459708, 574635, 689562, 766180, 1110961, 1149270, 1379124, 1723905, 2221922, 2298540, 3332883, 3447810, 4443844, 5554805, 6665766, 6895620, 9998649, 11109610, 13331532, 16664415, 19997298, 22219220, 33328830, 39994596, 49993245, 66657660, 99986490, 199972980]

約数ペア:

[(1, 199972980), (2, 99986490), (3, 66657660), (4, 49993245), (5, 39994596), (6, 33328830), (9, 22219220), (10, 19997298), (12, 16664415), (15, 13331532), (18, 11109610), (20, 9998649), (29, 6895620), (30, 6665766), (36, 5554805), (45, 4443844), (58, 3447810), (60, 3332883), (87, 2298540), (90, 2221922), (116, 1723905), (145, 1379124), (174, 1149270), (180, 1110961), (261, 766180), (290, 689562), (348, 574635), (435, 459708), (522, 383090), (580, 344781), (841, 237780), (870, 229854), (1044, 191545), (1305, 153236), (1321, 151380), (1682, 118890), (1740, 114927), (2523, 79260), (2610, 76618), (2642, 75690), (3364, 59445), (3963, 50460), (4205, 47556), (5046, 39630), (5220, 38309), (5284, 37845), (6605, 30276), (7569, 26420), (7926, 25230), (8410, 23778), (10092, 19815), (11889, 16820), (12615, 15852), (13210, 15138)]