28669290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 80559360

約数和(自身を除く): 51890070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 53, 57, 65, 73, 78, 95, 106, 114, 130, 146, 159, 190, 195, 219, 247, 265, 285, 318, 365, 390, 438, 494, 530, 570, 689, 730, 741, 795, 949, 1007, 1095, 1235, 1378, 1387, 1482, 1590, 1898, 2014, 2067, 2190, 2470, 2774, 2847, 3021, 3445, 3705, 3869, 4134, 4161, 4745, 5035, 5694, 6042, 6890, 6935, 7410, 7738, 8322, 9490, 10070, 10335, 11607, 13091, 13870, 14235, 15105, 18031, 19345, 20670, 20805, 23214, 26182, 28470, 30210, 36062, 38690, 39273, 41610, 50297, 54093, 58035, 65455, 73511, 78546, 90155, 100594, 108186, 116070, 130910, 147022, 150891, 180310, 196365, 220533, 251485, 270465, 301782, 367555, 392730, 441066, 502970, 540930, 735110, 754455, 955643, 1102665, 1508910, 1911286, 2205330, 2866929, 4778215, 5733858, 9556430, 14334645, 28669290]

約数ペア:

[(1, 28669290), (2, 14334645), (3, 9556430), (5, 5733858), (6, 4778215), (10, 2866929), (13, 2205330), (15, 1911286), (19, 1508910), (26, 1102665), (30, 955643), (38, 754455), (39, 735110), (53, 540930), (57, 502970), (65, 441066), (73, 392730), (78, 367555), (95, 301782), (106, 270465), (114, 251485), (130, 220533), (146, 196365), (159, 180310), (190, 150891), (195, 147022), (219, 130910), (247, 116070), (265, 108186), (285, 100594), (318, 90155), (365, 78546), (390, 73511), (438, 65455), (494, 58035), (530, 54093), (570, 50297), (689, 41610), (730, 39273), (741, 38690), (795, 36062), (949, 30210), (1007, 28470), (1095, 26182), (1235, 23214), (1378, 20805), (1387, 20670), (1482, 19345), (1590, 18031), (1898, 15105), (2014, 14235), (2067, 13870), (2190, 13091), (2470, 11607), (2774, 10335), (2847, 10070), (3021, 9490), (3445, 8322), (3705, 7738), (3869, 7410), (4134, 6935), (4161, 6890), (4745, 6042), (5035, 5694)]