28870660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 77333760

約数和(自身を除く): 48463100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 547, 580, 754, 812, 910, 1015, 1094, 1508, 1820, 1885, 2030, 2188, 2639, 2735, 3770, 3829, 4060, 5278, 5470, 7111, 7540, 7658, 10556, 10940, 13195, 14222, 15316, 15863, 19145, 26390, 28444, 31726, 35555, 38290, 49777, 52780, 63452, 71110, 76580, 79315, 99554, 111041, 142220, 158630, 199108, 206219, 222082, 248885, 317260, 412438, 444164, 497770, 555205, 824876, 995540, 1031095, 1110410, 1443533, 2062190, 2220820, 2887066, 4124380, 5774132, 7217665, 14435330, 28870660]

約数ペア:

[(1, 28870660), (2, 14435330), (4, 7217665), (5, 5774132), (7, 4124380), (10, 2887066), (13, 2220820), (14, 2062190), (20, 1443533), (26, 1110410), (28, 1031095), (29, 995540), (35, 824876), (52, 555205), (58, 497770), (65, 444164), (70, 412438), (91, 317260), (116, 248885), (130, 222082), (140, 206219), (145, 199108), (182, 158630), (203, 142220), (260, 111041), (290, 99554), (364, 79315), (377, 76580), (406, 71110), (455, 63452), (547, 52780), (580, 49777), (754, 38290), (812, 35555), (910, 31726), (1015, 28444), (1094, 26390), (1508, 19145), (1820, 15863), (1885, 15316), (2030, 14222), (2188, 13195), (2639, 10940), (2735, 10556), (3770, 7658), (3829, 7540), (4060, 7111), (5278, 5470)]