221696758090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{861929}}^1$

素因数の和:862059

約数の個数: 48

約数和(自身を含む): 428672266200

約数和(自身を除く): 206975508110

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 289, 445, 578, 890, 1445, 1513, 2890, 3026, 7565, 15130, 25721, 51442, 128605, 257210, 861929, 1723858, 4309645, 8619290, 14652793, 29305586, 73263965, 76711681, 146527930, 153423362, 249097481, 383558405, 498194962, 767116810, 1245487405, 1304098577, 2490974810, 2608197154, 6520492885, 13040985770, 22169675809, 44339351618, 110848379045, 221696758090]

約数ペア:

[(1, 221696758090), (2, 110848379045), (5, 44339351618), (10, 22169675809), (17, 13040985770), (34, 6520492885), (85, 2608197154), (89, 2490974810), (170, 1304098577), (178, 1245487405), (289, 767116810), (445, 498194962), (578, 383558405), (890, 249097481), (1445, 153423362), (1513, 146527930), (2890, 76711681), (3026, 73263965), (7565, 29305586), (15130, 14652793), (25721, 8619290), (51442, 4309645), (128605, 1723858), (257210, 861929)]