28111380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 86704128

約数和(自身を除く): 58592748

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 191, 220, 223, 330, 382, 446, 573, 660, 669, 764, 892, 955, 1115, 1146, 1338, 1910, 2101, 2230, 2292, 2453, 2676, 2865, 3345, 3820, 4202, 4460, 4906, 5730, 6303, 6690, 7359, 8404, 9812, 10505, 11460, 12265, 12606, 13380, 14718, 21010, 24530, 25212, 29436, 31515, 36795, 42020, 42593, 49060, 63030, 73590, 85186, 126060, 127779, 147180, 170372, 212965, 255558, 425930, 468523, 511116, 638895, 851860, 937046, 1277790, 1405569, 1874092, 2342615, 2555580, 2811138, 4685230, 5622276, 7027845, 9370460, 14055690, 28111380]

約数ペア:

[(1, 28111380), (2, 14055690), (3, 9370460), (4, 7027845), (5, 5622276), (6, 4685230), (10, 2811138), (11, 2555580), (12, 2342615), (15, 1874092), (20, 1405569), (22, 1277790), (30, 937046), (33, 851860), (44, 638895), (55, 511116), (60, 468523), (66, 425930), (110, 255558), (132, 212965), (165, 170372), (191, 147180), (220, 127779), (223, 126060), (330, 85186), (382, 73590), (446, 63030), (573, 49060), (660, 42593), (669, 42020), (764, 36795), (892, 31515), (955, 29436), (1115, 25212), (1146, 24530), (1338, 21010), (1910, 14718), (2101, 13380), (2230, 12606), (2292, 12265), (2453, 11460), (2676, 10505), (2865, 9812), (3345, 8404), (3820, 7359), (4202, 6690), (4460, 6303), (4906, 5730)]