90910600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 243801360

約数和(自身を除く): 152890760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 43, 44, 50, 55, 62, 86, 88, 100, 110, 124, 155, 172, 200, 215, 220, 248, 275, 310, 341, 344, 430, 440, 473, 550, 620, 682, 775, 860, 946, 961, 1075, 1100, 1240, 1333, 1364, 1550, 1705, 1720, 1892, 1922, 2150, 2200, 2365, 2666, 2728, 3100, 3410, 3784, 3844, 4300, 4730, 4805, 5332, 6200, 6665, 6820, 7688, 8525, 8600, 9460, 9610, 10571, 10664, 11825, 13330, 13640, 14663, 17050, 18920, 19220, 21142, 23650, 24025, 26660, 29326, 33325, 34100, 38440, 41323, 42284, 47300, 48050, 52855, 53320, 58652, 66650, 68200, 73315, 82646, 84568, 94600, 96100, 105710, 117304, 133300, 146630, 165292, 192200, 206615, 211420, 264275, 266600, 293260, 330584, 366575, 413230, 422840, 454553, 528550, 586520, 733150, 826460, 909106, 1033075, 1057100, 1466300, 1652920, 1818212, 2066150, 2114200, 2272765, 2932600, 3636424, 4132300, 4545530, 8264600, 9091060, 11363825, 18182120, 22727650, 45455300, 90910600]

約数ペア:

[(1, 90910600), (2, 45455300), (4, 22727650), (5, 18182120), (8, 11363825), (10, 9091060), (11, 8264600), (20, 4545530), (22, 4132300), (25, 3636424), (31, 2932600), (40, 2272765), (43, 2114200), (44, 2066150), (50, 1818212), (55, 1652920), (62, 1466300), (86, 1057100), (88, 1033075), (100, 909106), (110, 826460), (124, 733150), (155, 586520), (172, 528550), (200, 454553), (215, 422840), (220, 413230), (248, 366575), (275, 330584), (310, 293260), (341, 266600), (344, 264275), (430, 211420), (440, 206615), (473, 192200), (550, 165292), (620, 146630), (682, 133300), (775, 117304), (860, 105710), (946, 96100), (961, 94600), (1075, 84568), (1100, 82646), (1240, 73315), (1333, 68200), (1364, 66650), (1550, 58652), (1705, 53320), (1720, 52855), (1892, 48050), (1922, 47300), (2150, 42284), (2200, 41323), (2365, 38440), (2666, 34100), (2728, 33325), (3100, 29326), (3410, 26660), (3784, 24025), (3844, 23650), (4300, 21142), (4730, 19220), (4805, 18920), (5332, 17050), (6200, 14663), (6665, 13640), (6820, 13330), (7688, 11825), (8525, 10664), (8600, 10571), (9460, 9610)]