203269480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163927}}^1$

素因数の和:163969

約数の個数: 32

約数和(自身を含む): 472112640

約数和(自身を除く): 268843160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 163927, 327854, 655708, 819635, 1311416, 1639270, 3278540, 5081737, 6557080, 10163474, 20326948, 25408685, 40653896, 50817370, 101634740, 203269480]

約数ペア:

[(1, 203269480), (2, 101634740), (4, 50817370), (5, 40653896), (8, 25408685), (10, 20326948), (20, 10163474), (31, 6557080), (40, 5081737), (62, 3278540), (124, 1639270), (155, 1311416), (248, 819635), (310, 655708), (620, 327854), (1240, 163927)]