86470780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 205193520

約数和(自身を除く): 118722740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 409, 620, 682, 818, 961, 1364, 1636, 1705, 1922, 2045, 3410, 3844, 4090, 4499, 4805, 6820, 8180, 8998, 9610, 10571, 12679, 17996, 19220, 21142, 22495, 25358, 42284, 44990, 50716, 52855, 63395, 89980, 105710, 126790, 139469, 211420, 253580, 278938, 393049, 557876, 697345, 786098, 1394690, 1572196, 1965245, 2789380, 3930490, 4323539, 7860980, 8647078, 17294156, 21617695, 43235390, 86470780]

約数ペア:

[(1, 86470780), (2, 43235390), (4, 21617695), (5, 17294156), (10, 8647078), (11, 7860980), (20, 4323539), (22, 3930490), (31, 2789380), (44, 1965245), (55, 1572196), (62, 1394690), (110, 786098), (124, 697345), (155, 557876), (220, 393049), (310, 278938), (341, 253580), (409, 211420), (620, 139469), (682, 126790), (818, 105710), (961, 89980), (1364, 63395), (1636, 52855), (1705, 50716), (1922, 44990), (2045, 42284), (3410, 25358), (3844, 22495), (4090, 21142), (4499, 19220), (4805, 17996), (6820, 12679), (8180, 10571), (8998, 9610)]