405998970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1609}}^1$

素因数の和:2279

約数の個数: 64

約数和(自身を含む): 1051626240

約数和(自身を除く): 645627270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 647, 1294, 1609, 1941, 3218, 3235, 3882, 4827, 6470, 8045, 8411, 9654, 9705, 16090, 16822, 19410, 20917, 24135, 25233, 41834, 42055, 48270, 50466, 62751, 84110, 104585, 125502, 126165, 209170, 252330, 313755, 627510, 1041023, 2082046, 3123069, 5205115, 6246138, 10410230, 13533299, 15615345, 27066598, 31230690, 40599897, 67666495, 81199794, 135332990, 202999485, 405998970]

約数ペア:

[(1, 405998970), (2, 202999485), (3, 135332990), (5, 81199794), (6, 67666495), (10, 40599897), (13, 31230690), (15, 27066598), (26, 15615345), (30, 13533299), (39, 10410230), (65, 6246138), (78, 5205115), (130, 3123069), (195, 2082046), (390, 1041023), (647, 627510), (1294, 313755), (1609, 252330), (1941, 209170), (3218, 126165), (3235, 125502), (3882, 104585), (4827, 84110), (6470, 62751), (8045, 50466), (8411, 48270), (9654, 42055), (9705, 41834), (16090, 25233), (16822, 24135), (19410, 20917)]