78419420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{751}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 172827648

約数和(自身を除く): 94408228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 751, 908, 1135, 1502, 2270, 3004, 3755, 4540, 5221, 7510, 10442, 15020, 17273, 20884, 26105, 34546, 52210, 69092, 86365, 104420, 170477, 172730, 340954, 345460, 681908, 852385, 1704770, 3409540, 3920971, 7841942, 15683884, 19604855, 39209710, 78419420]

約数ペア:

[(1, 78419420), (2, 39209710), (4, 19604855), (5, 15683884), (10, 7841942), (20, 3920971), (23, 3409540), (46, 1704770), (92, 852385), (115, 681908), (227, 345460), (230, 340954), (454, 172730), (460, 170477), (751, 104420), (908, 86365), (1135, 69092), (1502, 52210), (2270, 34546), (3004, 26105), (3755, 20884), (4540, 17273), (5221, 15020), (7510, 10442)]