18951760225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1933}}^1$

素因数の和:2059

約数の個数: 72

約数和(自身を含む): 26504464320

約数和(自身を除く): 7552704095

約数列:

[1, 5, 17, 23, 25, 59, 85, 115, 289, 295, 391, 425, 575, 1003, 1357, 1445, 1475, 1933, 1955, 5015, 6647, 6785, 7225, 9665, 9775, 17051, 23069, 25075, 32861, 33235, 33925, 44459, 48325, 85255, 114047, 115345, 164305, 166175, 222295, 392173, 426275, 558637, 570235, 576725, 755803, 821525, 1111475, 1938799, 1960865, 2623081, 2793185, 2851175, 3779015, 9693995, 9804325, 12848651, 13115405, 13965925, 18895075, 32959583, 44592377, 48469975, 64243255, 65577025, 164797915, 222961885, 321216275, 758070409, 823989575, 1114809425, 3790352045, 18951760225]

約数ペア:

[(1, 18951760225), (5, 3790352045), (17, 1114809425), (23, 823989575), (25, 758070409), (59, 321216275), (85, 222961885), (115, 164797915), (289, 65577025), (295, 64243255), (391, 48469975), (425, 44592377), (575, 32959583), (1003, 18895075), (1357, 13965925), (1445, 13115405), (1475, 12848651), (1933, 9804325), (1955, 9693995), (5015, 3779015), (6647, 2851175), (6785, 2793185), (7225, 2623081), (9665, 1960865), (9775, 1938799), (17051, 1111475), (23069, 821525), (25075, 755803), (32861, 576725), (33235, 570235), (33925, 558637), (44459, 426275), (48325, 392173), (85255, 222295), (114047, 166175), (115345, 164305)]