78835540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2459}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 190108800

約数和(自身を除く): 111273260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 2459, 3206, 4580, 4918, 6412, 8015, 9836, 12295, 16030, 17213, 24590, 32060, 34426, 49180, 68852, 86065, 172130, 344260, 563111, 1126222, 2252444, 2815555, 3941777, 5631110, 7883554, 11262220, 15767108, 19708885, 39417770, 78835540]

約数ペア:

[(1, 78835540), (2, 39417770), (4, 19708885), (5, 15767108), (7, 11262220), (10, 7883554), (14, 5631110), (20, 3941777), (28, 2815555), (35, 2252444), (70, 1126222), (140, 563111), (229, 344260), (458, 172130), (916, 86065), (1145, 68852), (1603, 49180), (2290, 34426), (2459, 32060), (3206, 24590), (4580, 17213), (4918, 16030), (6412, 12295), (8015, 9836)]