2919280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 8374464

約数和(自身を除く): 5455184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 401, 455, 520, 560, 728, 802, 910, 1040, 1456, 1604, 1820, 2005, 2807, 3208, 3640, 4010, 5213, 5614, 6416, 7280, 8020, 10426, 11228, 14035, 16040, 20852, 22456, 26065, 28070, 32080, 36491, 41704, 44912, 52130, 56140, 72982, 83408, 104260, 112280, 145964, 182455, 208520, 224560, 291928, 364910, 417040, 583856, 729820, 1459640, 2919280]

約数ペア:

[(1, 2919280), (2, 1459640), (4, 729820), (5, 583856), (7, 417040), (8, 364910), (10, 291928), (13, 224560), (14, 208520), (16, 182455), (20, 145964), (26, 112280), (28, 104260), (35, 83408), (40, 72982), (52, 56140), (56, 52130), (65, 44912), (70, 41704), (80, 36491), (91, 32080), (104, 28070), (112, 26065), (130, 22456), (140, 20852), (182, 16040), (208, 14035), (260, 11228), (280, 10426), (364, 8020), (401, 7280), (455, 6416), (520, 5614), (560, 5213), (728, 4010), (802, 3640), (910, 3208), (1040, 2807), (1456, 2005), (1604, 1820)]