49876520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 127872000

約数和(自身を除く): 77995480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 31, 38, 40, 58, 62, 73, 76, 95, 116, 124, 145, 146, 152, 155, 190, 232, 248, 290, 292, 310, 365, 380, 551, 580, 584, 589, 620, 730, 760, 899, 1102, 1160, 1178, 1240, 1387, 1460, 1798, 2117, 2204, 2263, 2356, 2755, 2774, 2920, 2945, 3596, 4234, 4408, 4495, 4526, 4712, 5510, 5548, 5890, 6935, 7192, 8468, 8990, 9052, 10585, 11020, 11096, 11315, 11780, 13870, 16936, 17081, 17980, 18104, 21170, 22040, 22630, 23560, 27740, 34162, 35960, 40223, 42340, 42997, 45260, 55480, 65627, 68324, 80446, 84680, 85405, 85994, 90520, 131254, 136648, 160892, 170810, 171988, 201115, 214985, 262508, 321784, 328135, 341620, 343976, 402230, 429970, 525016, 656270, 683240, 804460, 859940, 1246913, 1312540, 1608920, 1719880, 2493826, 2625080, 4987652, 6234565, 9975304, 12469130, 24938260, 49876520]

約数ペア:

[(1, 49876520), (2, 24938260), (4, 12469130), (5, 9975304), (8, 6234565), (10, 4987652), (19, 2625080), (20, 2493826), (29, 1719880), (31, 1608920), (38, 1312540), (40, 1246913), (58, 859940), (62, 804460), (73, 683240), (76, 656270), (95, 525016), (116, 429970), (124, 402230), (145, 343976), (146, 341620), (152, 328135), (155, 321784), (190, 262508), (232, 214985), (248, 201115), (290, 171988), (292, 170810), (310, 160892), (365, 136648), (380, 131254), (551, 90520), (580, 85994), (584, 85405), (589, 84680), (620, 80446), (730, 68324), (760, 65627), (899, 55480), (1102, 45260), (1160, 42997), (1178, 42340), (1240, 40223), (1387, 35960), (1460, 34162), (1798, 27740), (2117, 23560), (2204, 22630), (2263, 22040), (2356, 21170), (2755, 18104), (2774, 17980), (2920, 17081), (2945, 16936), (3596, 13870), (4234, 11780), (4408, 11315), (4495, 11096), (4526, 11020), (4712, 10585), (5510, 9052), (5548, 8990), (5890, 8468), (6935, 7192)]