147025040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 362387520

約数和(自身を除く): 215362480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 304, 380, 394, 491, 760, 788, 982, 985, 1520, 1576, 1964, 1970, 2455, 3152, 3743, 3928, 3940, 4910, 7486, 7856, 7880, 9329, 9820, 14972, 15760, 18658, 18715, 19640, 29944, 37316, 37430, 39280, 46645, 59888, 74632, 74860, 93290, 96727, 149264, 149720, 186580, 193454, 299440, 373160, 386908, 483635, 746320, 773816, 967270, 1547632, 1837813, 1934540, 3675626, 3869080, 7351252, 7738160, 9189065, 14702504, 18378130, 29405008, 36756260, 73512520, 147025040]

約数ペア:

[(1, 147025040), (2, 73512520), (4, 36756260), (5, 29405008), (8, 18378130), (10, 14702504), (16, 9189065), (19, 7738160), (20, 7351252), (38, 3869080), (40, 3675626), (76, 1934540), (80, 1837813), (95, 1547632), (152, 967270), (190, 773816), (197, 746320), (304, 483635), (380, 386908), (394, 373160), (491, 299440), (760, 193454), (788, 186580), (982, 149720), (985, 149264), (1520, 96727), (1576, 93290), (1964, 74860), (1970, 74632), (2455, 59888), (3152, 46645), (3743, 39280), (3928, 37430), (3940, 37316), (4910, 29944), (7486, 19640), (7856, 18715), (7880, 18658), (9329, 15760), (9820, 14972)]