198669080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{160217}}^1$

素因数の和:160259

約数の個数: 32

約数和(自身を含む): 461427840

約数和(自身を除く): 262758760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 160217, 320434, 640868, 801085, 1281736, 1602170, 3204340, 4966727, 6408680, 9933454, 19866908, 24833635, 39733816, 49667270, 99334540, 198669080]

約数ペア:

[(1, 198669080), (2, 99334540), (4, 49667270), (5, 39733816), (8, 24833635), (10, 19866908), (20, 9933454), (31, 6408680), (40, 4966727), (62, 3204340), (124, 1602170), (155, 1281736), (248, 801085), (310, 640868), (620, 320434), (1240, 160217)]