89749520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 240401280

約数和(自身を除く): 150651760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1153, 1390, 1946, 2224, 2306, 2780, 3892, 4612, 4865, 5560, 5765, 7784, 8071, 9224, 9730, 11120, 11530, 15568, 16142, 18448, 19460, 23060, 32284, 38920, 40355, 46120, 64568, 77840, 80710, 92240, 129136, 160267, 161420, 320534, 322840, 641068, 645680, 801335, 1121869, 1282136, 1602670, 2243738, 2564272, 3205340, 4487476, 5609345, 6410680, 8974952, 11218690, 12821360, 17949904, 22437380, 44874760, 89749520]

約数ペア:

[(1, 89749520), (2, 44874760), (4, 22437380), (5, 17949904), (7, 12821360), (8, 11218690), (10, 8974952), (14, 6410680), (16, 5609345), (20, 4487476), (28, 3205340), (35, 2564272), (40, 2243738), (56, 1602670), (70, 1282136), (80, 1121869), (112, 801335), (139, 645680), (140, 641068), (278, 322840), (280, 320534), (556, 161420), (560, 160267), (695, 129136), (973, 92240), (1112, 80710), (1153, 77840), (1390, 64568), (1946, 46120), (2224, 40355), (2306, 38920), (2780, 32284), (3892, 23060), (4612, 19460), (4865, 18448), (5560, 16142), (5765, 15568), (7784, 11530), (8071, 11120), (9224, 9730)]