320414860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{10159}}^1$

素因数の和:10270

約数の個数: 48

約数和(自身を含む): 716889600

約数和(自身を除く): 396474740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 10159, 15770, 20318, 31540, 40636, 50795, 101590, 193021, 203180, 386042, 772084, 843197, 965105, 1686394, 1930210, 3372788, 3860420, 4215985, 8431970, 16020743, 16863940, 32041486, 64082972, 80103715, 160207430, 320414860]

約数ペア:

[(1, 320414860), (2, 160207430), (4, 80103715), (5, 64082972), (10, 32041486), (19, 16863940), (20, 16020743), (38, 8431970), (76, 4215985), (83, 3860420), (95, 3372788), (166, 1930210), (190, 1686394), (332, 965105), (380, 843197), (415, 772084), (830, 386042), (1577, 203180), (1660, 193021), (3154, 101590), (6308, 50795), (7885, 40636), (10159, 31540), (15770, 20318)]