30185890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18749}}^1$

素因数の和:18786

約数の個数: 32

約数和(自身を含む): 64800000

約数和(自身を除く): 34614110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 18749, 37498, 93745, 131243, 187490, 262486, 431227, 656215, 862454, 1312430, 2156135, 3018589, 4312270, 6037178, 15092945, 30185890]

約数ペア:

[(1, 30185890), (2, 15092945), (5, 6037178), (7, 4312270), (10, 3018589), (14, 2156135), (23, 1312430), (35, 862454), (46, 656215), (70, 431227), (115, 262486), (161, 187490), (230, 131243), (322, 93745), (805, 37498), (1610, 18749)]