78199670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1693}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 146361600

約数和(自身を除く): 68161930

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 1490, 1693, 3386, 4619, 8465, 9238, 16930, 23095, 46190, 52483, 104966, 252257, 262415, 504514, 524830, 1261285, 2522570, 7819967, 15639934, 39099835, 78199670]

約数ペア:

[(1, 78199670), (2, 39099835), (5, 15639934), (10, 7819967), (31, 2522570), (62, 1261285), (149, 524830), (155, 504514), (298, 262415), (310, 252257), (745, 104966), (1490, 52483), (1693, 46190), (3386, 23095), (4619, 16930), (8465, 9238)]