20278315700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{22549}}^1$

素因数の和:22626

約数の個数: 108

約数和(自身を含む): 48708405900

約数和(自身を除く): 28430090200

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 340, 391, 425, 460, 529, 575, 782, 850, 1058, 1150, 1564, 1700, 1955, 2116, 2300, 2645, 3910, 5290, 7820, 8993, 9775, 10580, 13225, 17986, 19550, 22549, 26450, 35972, 39100, 44965, 45098, 52900, 89930, 90196, 112745, 179860, 224825, 225490, 383333, 449650, 450980, 518627, 563725, 766666, 899300, 1037254, 1127450, 1533332, 1916665, 2074508, 2254900, 2593135, 3833330, 5186270, 7666660, 8816659, 9583325, 10372540, 11928421, 12965675, 17633318, 19166650, 23856842, 25931350, 35266636, 38333300, 44083295, 47713684, 51862700, 59642105, 88166590, 119284210, 176333180, 202783157, 220416475, 238568420, 298210525, 405566314, 440832950, 596421050, 811132628, 881665900, 1013915785, 1192842100, 2027831570, 4055663140, 5069578925, 10139157850, 20278315700]

約数ペア:

[(1, 20278315700), (2, 10139157850), (4, 5069578925), (5, 4055663140), (10, 2027831570), (17, 1192842100), (20, 1013915785), (23, 881665900), (25, 811132628), (34, 596421050), (46, 440832950), (50, 405566314), (68, 298210525), (85, 238568420), (92, 220416475), (100, 202783157), (115, 176333180), (170, 119284210), (230, 88166590), (340, 59642105), (391, 51862700), (425, 47713684), (460, 44083295), (529, 38333300), (575, 35266636), (782, 25931350), (850, 23856842), (1058, 19166650), (1150, 17633318), (1564, 12965675), (1700, 11928421), (1955, 10372540), (2116, 9583325), (2300, 8816659), (2645, 7666660), (3910, 5186270), (5290, 3833330), (7820, 2593135), (8993, 2254900), (9775, 2074508), (10580, 1916665), (13225, 1533332), (17986, 1127450), (19550, 1037254), (22549, 899300), (26450, 766666), (35972, 563725), (39100, 518627), (44965, 450980), (45098, 449650), (52900, 383333), (89930, 225490), (90196, 224825), (112745, 179860)]