2947120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 7954848

約数和(自身を除く): 5007728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 197, 220, 272, 340, 374, 394, 440, 680, 748, 788, 880, 935, 985, 1360, 1496, 1576, 1870, 1970, 2167, 2992, 3152, 3349, 3740, 3940, 4334, 6698, 7480, 7880, 8668, 10835, 13396, 14960, 15760, 16745, 17336, 21670, 26792, 33490, 34672, 36839, 43340, 53584, 66980, 73678, 86680, 133960, 147356, 173360, 184195, 267920, 294712, 368390, 589424, 736780, 1473560, 2947120]

約数ペア:

[(1, 2947120), (2, 1473560), (4, 736780), (5, 589424), (8, 368390), (10, 294712), (11, 267920), (16, 184195), (17, 173360), (20, 147356), (22, 133960), (34, 86680), (40, 73678), (44, 66980), (55, 53584), (68, 43340), (80, 36839), (85, 34672), (88, 33490), (110, 26792), (136, 21670), (170, 17336), (176, 16745), (187, 15760), (197, 14960), (220, 13396), (272, 10835), (340, 8668), (374, 7880), (394, 7480), (440, 6698), (680, 4334), (748, 3940), (788, 3740), (880, 3349), (935, 3152), (985, 2992), (1360, 2167), (1496, 1970), (1576, 1870)]