207381320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 511488000

約数和(自身を除く): 304106680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 73, 79, 116, 124, 145, 146, 155, 158, 232, 248, 290, 292, 310, 316, 365, 395, 580, 584, 620, 632, 730, 790, 899, 1160, 1240, 1460, 1580, 1798, 2117, 2263, 2291, 2449, 2920, 3160, 3596, 4234, 4495, 4526, 4582, 4898, 5767, 7192, 8468, 8990, 9052, 9164, 9796, 10585, 11315, 11455, 11534, 12245, 16936, 17980, 18104, 18328, 19592, 21170, 22630, 22910, 23068, 24490, 28835, 35960, 42340, 45260, 45820, 46136, 48980, 57670, 65627, 71021, 84680, 90520, 91640, 97960, 115340, 131254, 142042, 167243, 178777, 230680, 262508, 284084, 328135, 334486, 355105, 357554, 525016, 568168, 656270, 668972, 710210, 715108, 836215, 893885, 1312540, 1337944, 1420420, 1430216, 1672430, 1787770, 2625080, 2840840, 3344860, 3575540, 5184533, 6689720, 7151080, 10369066, 20738132, 25922665, 41476264, 51845330, 103690660, 207381320]

約数ペア:

[(1, 207381320), (2, 103690660), (4, 51845330), (5, 41476264), (8, 25922665), (10, 20738132), (20, 10369066), (29, 7151080), (31, 6689720), (40, 5184533), (58, 3575540), (62, 3344860), (73, 2840840), (79, 2625080), (116, 1787770), (124, 1672430), (145, 1430216), (146, 1420420), (155, 1337944), (158, 1312540), (232, 893885), (248, 836215), (290, 715108), (292, 710210), (310, 668972), (316, 656270), (365, 568168), (395, 525016), (580, 357554), (584, 355105), (620, 334486), (632, 328135), (730, 284084), (790, 262508), (899, 230680), (1160, 178777), (1240, 167243), (1460, 142042), (1580, 131254), (1798, 115340), (2117, 97960), (2263, 91640), (2291, 90520), (2449, 84680), (2920, 71021), (3160, 65627), (3596, 57670), (4234, 48980), (4495, 46136), (4526, 45820), (4582, 45260), (4898, 42340), (5767, 35960), (7192, 28835), (8468, 24490), (8990, 23068), (9052, 22910), (9164, 22630), (9796, 21170), (10585, 19592), (11315, 18328), (11455, 18104), (11534, 17980), (12245, 16936)]