2018728660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 4781306880

約数和(自身を除く): 2762578220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 59, 65, 106, 118, 130, 169, 191, 212, 236, 260, 265, 295, 338, 382, 530, 590, 676, 689, 764, 767, 845, 955, 1060, 1180, 1378, 1534, 1690, 1910, 2483, 2756, 3068, 3127, 3380, 3445, 3820, 3835, 4966, 6254, 6890, 7670, 8957, 9932, 9971, 10123, 11269, 12415, 12508, 13780, 15340, 15635, 17914, 19942, 20246, 22538, 24830, 31270, 32279, 35828, 39884, 40492, 40651, 44785, 45076, 49660, 49855, 50615, 56345, 62540, 64558, 81302, 89570, 99710, 101230, 112690, 129116, 131599, 146497, 161395, 162604, 179140, 199420, 202460, 203255, 225380, 263198, 292994, 322790, 406510, 526396, 528463, 585988, 597257, 645580, 657995, 732485, 813020, 1056926, 1194514, 1315990, 1464970, 1710787, 1904461, 2113852, 2389028, 2631980, 2642315, 2929940, 2986285, 3421574, 3808922, 5284630, 5972570, 6843148, 7617844, 7764341, 8553935, 9522305, 10569260, 11945140, 15528682, 17107870, 19044610, 31057364, 34215740, 38089220, 38821705, 77643410, 100936433, 155286820, 201872866, 403745732, 504682165, 1009364330, 2018728660]

約数ペア:

[(1, 2018728660), (2, 1009364330), (4, 504682165), (5, 403745732), (10, 201872866), (13, 155286820), (20, 100936433), (26, 77643410), (52, 38821705), (53, 38089220), (59, 34215740), (65, 31057364), (106, 19044610), (118, 17107870), (130, 15528682), (169, 11945140), (191, 10569260), (212, 9522305), (236, 8553935), (260, 7764341), (265, 7617844), (295, 6843148), (338, 5972570), (382, 5284630), (530, 3808922), (590, 3421574), (676, 2986285), (689, 2929940), (764, 2642315), (767, 2631980), (845, 2389028), (955, 2113852), (1060, 1904461), (1180, 1710787), (1378, 1464970), (1534, 1315990), (1690, 1194514), (1910, 1056926), (2483, 813020), (2756, 732485), (3068, 657995), (3127, 645580), (3380, 597257), (3445, 585988), (3820, 528463), (3835, 526396), (4966, 406510), (6254, 322790), (6890, 292994), (7670, 263198), (8957, 225380), (9932, 203255), (9971, 202460), (10123, 199420), (11269, 179140), (12415, 162604), (12508, 161395), (13780, 146497), (15340, 131599), (15635, 129116), (17914, 112690), (19942, 101230), (20246, 99710), (22538, 89570), (24830, 81302), (31270, 64558), (32279, 62540), (35828, 56345), (39884, 50615), (40492, 49855), (40651, 49660), (44785, 45076)]