354815120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21221}}^1$

素因数の和:21264

約数の個数: 80

約数和(自身を含む): 947350080

約数和(自身を除く): 592534960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 21221, 42442, 84884, 106105, 169768, 212210, 233431, 339536, 403199, 424420, 466862, 806398, 848840, 933724, 1167155, 1612796, 1697680, 1867448, 2015995, 2334310, 3225592, 3734896, 4031990, 4435189, 4668620, 6451184, 8063980, 8870378, 9337240, 16127960, 17740756, 18674480, 22175945, 32255920, 35481512, 44351890, 70963024, 88703780, 177407560, 354815120]

約数ペア:

[(1, 354815120), (2, 177407560), (4, 88703780), (5, 70963024), (8, 44351890), (10, 35481512), (11, 32255920), (16, 22175945), (19, 18674480), (20, 17740756), (22, 16127960), (38, 9337240), (40, 8870378), (44, 8063980), (55, 6451184), (76, 4668620), (80, 4435189), (88, 4031990), (95, 3734896), (110, 3225592), (152, 2334310), (176, 2015995), (190, 1867448), (209, 1697680), (220, 1612796), (304, 1167155), (380, 933724), (418, 848840), (440, 806398), (760, 466862), (836, 424420), (880, 403199), (1045, 339536), (1520, 233431), (1672, 212210), (2090, 169768), (3344, 106105), (4180, 84884), (8360, 42442), (16720, 21221)]