164193820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3631}}^1$

素因数の和:3683

約数の個数: 96

約数和(自身を含む): 439326720

約数和(自身を除く): 275132900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 3631, 4522, 6460, 7262, 9044, 11305, 14524, 18155, 22610, 25417, 36310, 45220, 50834, 61727, 68989, 72620, 101668, 123454, 127085, 137978, 246908, 254170, 275956, 308635, 344945, 432089, 482923, 508340, 617270, 689890, 864178, 965846, 1172813, 1234540, 1379780, 1728356, 1931692, 2160445, 2345626, 2414615, 4320890, 4691252, 4829230, 5864065, 8209691, 8641780, 9658460, 11728130, 16419382, 23456260, 32838764, 41048455, 82096910, 164193820]

約数ペア:

[(1, 164193820), (2, 82096910), (4, 41048455), (5, 32838764), (7, 23456260), (10, 16419382), (14, 11728130), (17, 9658460), (19, 8641780), (20, 8209691), (28, 5864065), (34, 4829230), (35, 4691252), (38, 4320890), (68, 2414615), (70, 2345626), (76, 2160445), (85, 1931692), (95, 1728356), (119, 1379780), (133, 1234540), (140, 1172813), (170, 965846), (190, 864178), (238, 689890), (266, 617270), (323, 508340), (340, 482923), (380, 432089), (476, 344945), (532, 308635), (595, 275956), (646, 254170), (665, 246908), (1190, 137978), (1292, 127085), (1330, 123454), (1615, 101668), (2261, 72620), (2380, 68989), (2660, 61727), (3230, 50834), (3631, 45220), (4522, 36310), (6460, 25417), (7262, 22610), (9044, 18155), (11305, 14524)]