55142180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 126786240

約数和(自身を除く): 71644060

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 151, 155, 190, 302, 310, 380, 589, 604, 620, 755, 961, 1178, 1510, 1922, 2356, 2869, 2945, 3020, 3844, 4681, 4805, 5738, 5890, 9362, 9610, 11476, 11780, 14345, 18259, 18724, 19220, 23405, 28690, 36518, 46810, 57380, 73036, 88939, 91295, 93620, 145111, 177878, 182590, 290222, 355756, 365180, 444695, 580444, 725555, 889390, 1451110, 1778780, 2757109, 2902220, 5514218, 11028436, 13785545, 27571090, 55142180]

約数ペア:

[(1, 55142180), (2, 27571090), (4, 13785545), (5, 11028436), (10, 5514218), (19, 2902220), (20, 2757109), (31, 1778780), (38, 1451110), (62, 889390), (76, 725555), (95, 580444), (124, 444695), (151, 365180), (155, 355756), (190, 290222), (302, 182590), (310, 177878), (380, 145111), (589, 93620), (604, 91295), (620, 88939), (755, 73036), (961, 57380), (1178, 46810), (1510, 36518), (1922, 28690), (2356, 23405), (2869, 19220), (2945, 18724), (3020, 18259), (3844, 14345), (4681, 11780), (4805, 11476), (5738, 9610), (5890, 9362)]