221569846840

素因数分解:

$2^3\times 5^1\times {\mathrm{23911}}^1\times {\mathrm{231661}}^1$

素因数の和:255583

約数の個数: 32

約数和(自身を含む): 498555156960

約数和(自身を除く): 276985310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 23911, 47822, 95644, 119555, 191288, 231661, 239110, 463322, 478220, 926644, 956440, 1158305, 1853288, 2316610, 4633220, 9266440, 5539246171, 11078492342, 22156984684, 27696230855, 44313969368, 55392461710, 110784923420, 221569846840]

約数ペア:

[(1, 221569846840), (2, 110784923420), (4, 55392461710), (5, 44313969368), (8, 27696230855), (10, 22156984684), (20, 11078492342), (40, 5539246171), (23911, 9266440), (47822, 4633220), (95644, 2316610), (119555, 1853288), (191288, 1158305), (231661, 956440), (239110, 926644), (463322, 478220)]