87355940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 214361280

約数和(自身を除く): 127005340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 139, 140, 268, 278, 335, 469, 556, 670, 695, 938, 973, 1340, 1390, 1876, 1946, 2345, 2780, 3892, 4489, 4690, 4865, 8978, 9313, 9380, 9730, 17956, 18626, 19460, 22445, 31423, 37252, 44890, 46565, 62846, 65191, 89780, 93130, 125692, 130382, 157115, 186260, 260764, 314230, 325955, 623971, 628460, 651910, 1247942, 1303820, 2495884, 3119855, 4367797, 6239710, 8735594, 12479420, 17471188, 21838985, 43677970, 87355940]

約数ペア:

[(1, 87355940), (2, 43677970), (4, 21838985), (5, 17471188), (7, 12479420), (10, 8735594), (14, 6239710), (20, 4367797), (28, 3119855), (35, 2495884), (67, 1303820), (70, 1247942), (134, 651910), (139, 628460), (140, 623971), (268, 325955), (278, 314230), (335, 260764), (469, 186260), (556, 157115), (670, 130382), (695, 125692), (938, 93130), (973, 89780), (1340, 65191), (1390, 62846), (1876, 46565), (1946, 44890), (2345, 37252), (2780, 31423), (3892, 22445), (4489, 19460), (4690, 18626), (4865, 17956), (8978, 9730), (9313, 9380)]