208811360

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 511207200

約数和(自身を除く): 302395840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 139, 160, 164, 205, 229, 278, 328, 410, 458, 556, 656, 695, 820, 916, 1112, 1145, 1312, 1390, 1640, 1832, 2224, 2290, 2780, 3280, 3664, 4448, 4580, 5560, 5699, 6560, 7328, 9160, 9389, 11120, 11398, 18320, 18778, 22240, 22796, 28495, 31831, 36640, 37556, 45592, 46945, 56990, 63662, 75112, 91184, 93890, 113980, 127324, 150224, 159155, 182368, 187780, 227960, 254648, 300448, 318310, 375560, 455920, 509296, 636620, 751120, 911840, 1018592, 1273240, 1305071, 1502240, 2546480, 2610142, 5092960, 5220284, 6525355, 10440568, 13050710, 20881136, 26101420, 41762272, 52202840, 104405680, 208811360]

約数ペア:

[(1, 208811360), (2, 104405680), (4, 52202840), (5, 41762272), (8, 26101420), (10, 20881136), (16, 13050710), (20, 10440568), (32, 6525355), (40, 5220284), (41, 5092960), (80, 2610142), (82, 2546480), (139, 1502240), (160, 1305071), (164, 1273240), (205, 1018592), (229, 911840), (278, 751120), (328, 636620), (410, 509296), (458, 455920), (556, 375560), (656, 318310), (695, 300448), (820, 254648), (916, 227960), (1112, 187780), (1145, 182368), (1312, 159155), (1390, 150224), (1640, 127324), (1832, 113980), (2224, 93890), (2290, 91184), (2780, 75112), (3280, 63662), (3664, 56990), (4448, 46945), (4580, 45592), (5560, 37556), (5699, 36640), (6560, 31831), (7328, 28495), (9160, 22796), (9389, 22240), (11120, 18778), (11398, 18320)]