199802368

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 419839200

約数和(自身を除く): 220036832

約数列:

[1, 2, 4, 8, 16, 32, 37, 53, 64, 74, 106, 128, 148, 199, 212, 256, 296, 398, 424, 512, 592, 796, 848, 1184, 1592, 1696, 1961, 2368, 3184, 3392, 3922, 4736, 6368, 6784, 7363, 7844, 9472, 10547, 12736, 13568, 14726, 15688, 18944, 21094, 25472, 27136, 29452, 31376, 42188, 50944, 58904, 62752, 84376, 101888, 117808, 125504, 168752, 235616, 251008, 337504, 390239, 471232, 502016, 675008, 780478, 942464, 1004032, 1350016, 1560956, 1884928, 2700032, 3121912, 3769856, 5400064, 6243824, 12487648, 24975296, 49950592, 99901184, 199802368]

約数ペア:

[(1, 199802368), (2, 99901184), (4, 49950592), (8, 24975296), (16, 12487648), (32, 6243824), (37, 5400064), (53, 3769856), (64, 3121912), (74, 2700032), (106, 1884928), (128, 1560956), (148, 1350016), (199, 1004032), (212, 942464), (256, 780478), (296, 675008), (398, 502016), (424, 471232), (512, 390239), (592, 337504), (796, 251008), (848, 235616), (1184, 168752), (1592, 125504), (1696, 117808), (1961, 101888), (2368, 84376), (3184, 62752), (3392, 58904), (3922, 50944), (4736, 42188), (6368, 31376), (6784, 29452), (7363, 27136), (7844, 25472), (9472, 21094), (10547, 18944), (12736, 15688), (13568, 14726)]