28597940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{569}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 40349260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 569, 718, 1138, 1436, 1795, 2276, 2513, 2845, 3590, 3983, 5026, 5690, 7180, 7966, 10052, 11380, 12565, 15932, 19915, 25130, 39830, 50260, 79660, 204271, 408542, 817084, 1021355, 1429897, 2042710, 2859794, 4085420, 5719588, 7149485, 14298970, 28597940]

約数ペア:

[(1, 28597940), (2, 14298970), (4, 7149485), (5, 5719588), (7, 4085420), (10, 2859794), (14, 2042710), (20, 1429897), (28, 1021355), (35, 817084), (70, 408542), (140, 204271), (359, 79660), (569, 50260), (718, 39830), (1138, 25130), (1436, 19915), (1795, 15932), (2276, 12565), (2513, 11380), (2845, 10052), (3590, 7966), (3983, 7180), (5026, 5690)]