664500647540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2957}}^1\times {\mathrm{74411}}^1$

素因数の和:77528

約数の個数: 48

約数和(自身を含む): 1405186683264

約数和(自身を除く): 740686035724

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 2957, 3020, 5914, 11828, 14785, 29570, 59140, 74411, 148822, 297644, 372055, 446507, 744110, 893014, 1488220, 1786028, 2232535, 4465070, 8930140, 11236061, 22472122, 44944244, 56180305, 112360610, 220033327, 224721220, 440066654, 880133308, 1100166635, 2200333270, 4400666540, 33225032377, 66450064754, 132900129508, 166125161885, 332250323770, 664500647540]

約数ペア:

[(1, 664500647540), (2, 332250323770), (4, 166125161885), (5, 132900129508), (10, 66450064754), (20, 33225032377), (151, 4400666540), (302, 2200333270), (604, 1100166635), (755, 880133308), (1510, 440066654), (2957, 224721220), (3020, 220033327), (5914, 112360610), (11828, 56180305), (14785, 44944244), (29570, 22472122), (59140, 11236061), (74411, 8930140), (148822, 4465070), (297644, 2232535), (372055, 1786028), (446507, 1488220), (744110, 893014)]