219298960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88427}}^1$

素因数の和:88471

約数の個数: 40

約数和(自身を含む): 526323456

約数和(自身を除く): 307024496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88427, 176854, 353708, 442135, 707416, 884270, 1414832, 1768540, 2741237, 3537080, 5482474, 7074160, 10964948, 13706185, 21929896, 27412370, 43859792, 54824740, 109649480, 219298960]

約数ペア:

[(1, 219298960), (2, 109649480), (4, 54824740), (5, 43859792), (8, 27412370), (10, 21929896), (16, 13706185), (20, 10964948), (31, 7074160), (40, 5482474), (62, 3537080), (80, 2741237), (124, 1768540), (155, 1414832), (248, 884270), (310, 707416), (496, 442135), (620, 353708), (1240, 176854), (2480, 88427)]